Question

In the proportion x over 5 equals 15 over 3 , which number is equal to x in the proportion?

Answer 1

Start by cross multiplying.

3x=75

Now just solve like any other equation.

Divide both sides by 3

25=x

Hope this helps!

Answer 2

x = 25

Explanation:

We are given a word phrase:

In the proportion x over 5 equals 15 over 3 , which number is equal to x in the proportion?

So we will translate it to make it easier to solve.

Proportion x over 5 --->
`(x)/(5)`

equals ---> =

15 over 3 --->
`(15)/(3)`

Combining them, we get:

`(x)/(5) =(15)/(3)`

Solving this for x using cross multiplication:

`x=(15*5)/(3)\\ \\x=(75)/(3) \\\\x=25`

Therefore, x = 25.