Question

If x:5 = 18:30 then x=

Answer 1

3

because dividend is 6

Verification,

30/5=6

18/3=6

Please mark in Brainly

Answer 2

$\large\sf\underline{Given\::}$

• $\sf\:x:5=18:30$

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$\large\sf\underline{To\:find\::}$

• Value of x = ?

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$\large\sf\underline{Solution\::}$

$\sf\:x:5=18:30$

• Writing them into fraction form

$\sf\implies\:\frac{x}{5}=\frac{18}{30}$

• Cross multiplying

$\sf\implies\:30 \times x = 18 \times 5$

$\sf\implies\:30x = 90$

• Transposing 30 to the other side

$\sf\implies\:x = \cancel{\frac{90}{30}}=3$

$\large{\mathfrak\purple{\implies\:x\:=\:3}}$

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$\dag\:\underline{\sf Verification\:of\:my\:answeR \::}$

$\sf\:x:5=18:30$

$\sf\implies\:\frac{x}{5}=\frac{18}{30}$

• Substituting the value of x as 3

$\sf\implies\:\frac{3}{5}=\frac{18}{30}$

$\sf\implies\:30 \times 3 = 18 \times 5$

$\sf\implies\:90 = 90$

$\small\fbox\red{[\:Hence\:Verified\:]}$

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!! Hope it helps !!