Home / 4,100.31-5,658.51-2,331.87

Finding the Fourth Proportional to 4,100.31, 5,658.51 and 2,331.87

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Solution

The fourth proportional to 4,100.31, 5,658.51 and 2,331.87 is: 3,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.31 : 5,658.51 = 2,331.87 : x
  2. Step 2: Convert to fraction form
    4,100.31/5,658.51 = 2,331.87/x
  3. Step 3: Cross multiply
    4,100.31x = 5,658.51 × 2,331.87
  4. Step 4: Simplify right side
    4,100.31x = 13,194,909.71
  5. Step 5: Solve for x
    x = 13,194,909.71/4,100.31
  6. Step 6: Final answer
    x = 3,218.03

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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.