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Finding the Fourth Proportional to 3,141.04, 4,711.56 and 801.22

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Solution

The fourth proportional to 3,141.04, 4,711.56 and 801.22 is: 1,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.04 : 4,711.56 = 801.22 : x
  2. Step 2: Convert to fraction form
    3,141.04/4,711.56 = 801.22/x
  3. Step 3: Cross multiply
    3,141.04x = 4,711.56 × 801.22
  4. Step 4: Simplify right side
    3,141.04x = 3,774,996.10
  5. Step 5: Solve for x
    x = 3,774,996.10/3,141.04
  6. Step 6: Final answer
    x = 1,201.83

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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.