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Finding the Fourth Proportional to 3,996.78, 6,025.14 and 3,729.22

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Solution

The fourth proportional to 3,996.78, 6,025.14 and 3,729.22 is: 5,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.78 : 6,025.14 = 3,729.22 : x
  2. Step 2: Convert to fraction form
    3,996.78/6,025.14 = 3,729.22/x
  3. Step 3: Cross multiply
    3,996.78x = 6,025.14 × 3,729.22
  4. Step 4: Simplify right side
    3,996.78x = 22,469,072.59
  5. Step 5: Solve for x
    x = 22,469,072.59/3,996.78
  6. Step 6: Final answer
    x = 5,621.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.