Home / 1,492.28-2,057.96-932.57

Finding the Fourth Proportional to 1,492.28, 2,057.96 and 932.57

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Solution

The fourth proportional to 1,492.28, 2,057.96 and 932.57 is: 1,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.28 : 2,057.96 = 932.57 : x
  2. Step 2: Convert to fraction form
    1,492.28/2,057.96 = 932.57/x
  3. Step 3: Cross multiply
    1,492.28x = 2,057.96 × 932.57
  4. Step 4: Simplify right side
    1,492.28x = 1,919,183.80
  5. Step 5: Solve for x
    x = 1,919,183.80/1,492.28
  6. Step 6: Final answer
    x = 1,286.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.