Home / 4,121.72-5,687.92-2,233.31

Finding the Fourth Proportional to 4,121.72, 5,687.92 and 2,233.31

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Solution

The fourth proportional to 4,121.72, 5,687.92 and 2,233.31 is: 3,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.72 : 5,687.92 = 2,233.31 : x
  2. Step 2: Convert to fraction form
    4,121.72/5,687.92 = 2,233.31/x
  3. Step 3: Cross multiply
    4,121.72x = 5,687.92 × 2,233.31
  4. Step 4: Simplify right side
    4,121.72x = 12,702,862.97
  5. Step 5: Solve for x
    x = 12,702,862.97/4,121.72
  6. Step 6: Final answer
    x = 3,081.93

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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.