Home / 4,665.20-6,437.92-2,569.28

Finding the Fourth Proportional to 4,665.20, 6,437.92 and 2,569.28

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Solution

The fourth proportional to 4,665.20, 6,437.92 and 2,569.28 is: 3,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.20 : 6,437.92 = 2,569.28 : x
  2. Step 2: Convert to fraction form
    4,665.20/6,437.92 = 2,569.28/x
  3. Step 3: Cross multiply
    4,665.20x = 6,437.92 × 2,569.28
  4. Step 4: Simplify right side
    4,665.20x = 16,540,819.10
  5. Step 5: Solve for x
    x = 16,540,819.10/4,665.20
  6. Step 6: Final answer
    x = 3,545.58

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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.