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Finding the Fourth Proportional to 5,753.26, 7,940.79 and 3,760.54

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Solution

The fourth proportional to 5,753.26, 7,940.79 and 3,760.54 is: 5,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.26 : 7,940.79 = 3,760.54 : x
  2. Step 2: Convert to fraction form
    5,753.26/7,940.79 = 3,760.54/x
  3. Step 3: Cross multiply
    5,753.26x = 7,940.79 × 3,760.54
  4. Step 4: Simplify right side
    5,753.26x = 29,861,658.43
  5. Step 5: Solve for x
    x = 29,861,658.43/5,753.26
  6. Step 6: Final answer
    x = 5,190.39

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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.