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Finding the Fourth Proportional to 5,737.20, 7,916.11 and 3,750.67

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Solution

The fourth proportional to 5,737.20, 7,916.11 and 3,750.67 is: 5,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.20 : 7,916.11 = 3,750.67 : x
  2. Step 2: Convert to fraction form
    5,737.20/7,916.11 = 3,750.67/x
  3. Step 3: Cross multiply
    5,737.20x = 7,916.11 × 3,750.67
  4. Step 4: Simplify right side
    5,737.20x = 29,690,716.29
  5. Step 5: Solve for x
    x = 29,690,716.29/5,737.20
  6. Step 6: Final answer
    x = 5,175.12

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1.5x scale

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.