Question

find the value of x in each of the following x:5 :: 4:2​

Answer 1

Answer:

product of means =product of extremes

x×2=5×4

2x=20

x=10

Answer 2

Answer:

$\frac{x}{5} = \frac{4}{2} \\ 2x = 20 \\ x = \frac{20}{2} = 10$

Therefore x=10