Question

Fourth proportional to 3,7,15​

Answer 1

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$\bold{\underline{\underline{QUESTION}}}$

FIND THE FOIRTH PROPORTIONAL TO

3:7::15:?

$\bold{\underline{\underline{ANSWER}}}$

ANSWER IS 35

$\bold{\underline{\underline{Step\:To\:Step\:Explanation}}}$

SOLUTION TO THIS PROBLEM IS

LET THE NUMBER TO BE X

THEN,

3:7::15:X

$\frac{3}{7} = \frac{15}{x}$

$3x = 15 \times 7$

$x = \frac{15 \times 7}{3}$

$x = 5 \times 7$

$x = 35$

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