Home / 7,475.13-11,214.32-2,545.07

Finding the Fourth Proportional to 7,475.13, 11,214.32 and 2,545.07

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Solution

The fourth proportional to 7,475.13, 11,214.32 and 2,545.07 is: 3,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.13 : 11,214.32 = 2,545.07 : x
  2. Step 2: Convert to fraction form
    7,475.13/11,214.32 = 2,545.07/x
  3. Step 3: Cross multiply
    7,475.13x = 11,214.32 × 2,545.07
  4. Step 4: Simplify right side
    7,475.13x = 28,541,160.61
  5. Step 5: Solve for x
    x = 28,541,160.61/7,475.13
  6. Step 6: Final answer
    x = 3,818.15

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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.