Ratio and Proportion: 0.6: X:: 7:42
A.
X=2.4
B.
X=0.6
C.
X=1.2
D.
X=3.6
To solve the proportion 0.6X=742\frac{0.6}{X} = \frac{7}{42}X0.6=427, follow these steps:
- Set up the proportion as an equation:0.6X=742\frac{0.6}{X} = \frac{7}{42}X0.6=427
- Cross-multiply to solve for XXX:0.6×42=7×X0.6 \times 42 = 7 \times X0.6×42=7×X 25.2=7X25.2 = 7X25.2=7X X=25.27≈3.6X = \frac{25.2}{7} \approx 3.6X=725.2≈3.6
So the value of XXX is:
D. 3.6