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Finding the Fourth Proportional to 3,950.39, 5,913.15 and 2,710.55

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Solution

The fourth proportional to 3,950.39, 5,913.15 and 2,710.55 is: 4,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.39 : 5,913.15 = 2,710.55 : x
  2. Step 2: Convert to fraction form
    3,950.39/5,913.15 = 2,710.55/x
  3. Step 3: Cross multiply
    3,950.39x = 5,913.15 × 2,710.55
  4. Step 4: Simplify right side
    3,950.39x = 16,027,859.17
  5. Step 5: Solve for x
    x = 16,027,859.17/3,950.39
  6. Step 6: Final answer
    x = 4,057.29

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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.