Question

What is the value of x? x:3::4:5=

Answer 1

Answer:

See what you do here is that first you write down the question on the top

x:12=3:4

“:” Sign is a sign of division. So then you replace “:” with “/”(another sign of division/fraction)

So, x/12=3/4

In division, the opposite signs (i.e. 12 and 3 and x and 4) go for multiplication.

Hence, x/12=3/4

4x = 12x3

Then it becomes a simple “x” equation and you find the value of x

4x= 36

x=36/4

x= 9

Which is your answer!

Step-by-step explanation:

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Answer 2

Answer:

x=2.4

Step-by-step explanation:

x:3::4:5

x/3=4/5

x=4×3/5

x= 12/5

x= 2.4