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Finding the Fourth Proportional to 3,700.76, 5,105.03 and 2,372.99

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Solution

The fourth proportional to 3,700.76, 5,105.03 and 2,372.99 is: 3,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.76 : 5,105.03 = 2,372.99 : x
  2. Step 2: Convert to fraction form
    3,700.76/5,105.03 = 2,372.99/x
  3. Step 3: Cross multiply
    3,700.76x = 5,105.03 × 2,372.99
  4. Step 4: Simplify right side
    3,700.76x = 12,114,147.75
  5. Step 5: Solve for x
    x = 12,114,147.75/3,700.76
  6. Step 6: Final answer
    x = 3,273.43

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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.