Question

Determine o valor de X nas proporções.

A) x/3 = 56/24

B) 2/7 = 12/x

C) 3/8 = x/40

D) 4/x = 20/15

Answer 1

A) x/23=56/24
x=23*56/24
x=53,666...

B) 2/7=12/x
x=12/(2/7)
x=12*7/2
x=42

C) 3/8=x/40
x=40*3/8
x=15

D) 4/x=20/15
x=4/(20/15)
x=4*15/20
x=3

espero ter ajudado