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Finding the Fourth Proportional to 3,743, 5,610.66 and 1,553

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Solution

The fourth proportional to 3,743, 5,610.66 and 1,553 is: 2,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743 : 5,610.66 = 1,553 : x
  2. Step 2: Convert to fraction form
    3,743/5,610.66 = 1,553/x
  3. Step 3: Cross multiply
    3,743x = 5,610.66 × 1,553
  4. Step 4: Simplify right side
    3,743x = 8,713,354.98
  5. Step 5: Solve for x
    x = 8,713,354.98/3,743
  6. Step 6: Final answer
    x = 2,327.91

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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.