Home / 2,382.28-3,572.10-716.18

Finding the Fourth Proportional to 2,382.28, 3,572.10 and 716.18

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Solution

The fourth proportional to 2,382.28, 3,572.10 and 716.18 is: 1,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.28 : 3,572.10 = 716.18 : x
  2. Step 2: Convert to fraction form
    2,382.28/3,572.10 = 716.18/x
  3. Step 3: Cross multiply
    2,382.28x = 3,572.10 × 716.18
  4. Step 4: Simplify right side
    2,382.28x = 2,558,248.72
  5. Step 5: Solve for x
    x = 2,558,248.72/2,382.28
  6. Step 6: Final answer
    x = 1,073.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.