Home / 5,553.11-7,650.26-3,871.46

Finding the Fourth Proportional to 5,553.11, 7,650.26 and 3,871.46

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Solution

The fourth proportional to 5,553.11, 7,650.26 and 3,871.46 is: 5,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.11 : 7,650.26 = 3,871.46 : x
  2. Step 2: Convert to fraction form
    5,553.11/7,650.26 = 3,871.46/x
  3. Step 3: Cross multiply
    5,553.11x = 7,650.26 × 3,871.46
  4. Step 4: Simplify right side
    5,553.11x = 29,617,617.97
  5. Step 5: Solve for x
    x = 29,617,617.97/5,553.11
  6. Step 6: Final answer
    x = 5,333.52

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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.