5 4 = x 28 ∣ m u lt i pl y b y x e a c h s i d e 5 4 x = 28 ∣ M u lt i pl y b y 5 e a c h s i d e 4 x = 140 ∣ : 4 x = 35 C ross m u lt i pl i c a t i o n m e t h o d : 4 x = 28 ∗ 5 4 x = 140 ∣ : 4 x = 35
To solve the proportion 5 4 = x 28 , you can use cross multiplication, yielding x = 35 . Alternatively, by isolating x through multiplication and division, you also find that x = 35 . Both methods confirm that the solution is consistent and correct.
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