Home / 5,156.92-7,731.28-2,233.16

Finding the Fourth Proportional to 5,156.92, 7,731.28 and 2,233.16

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Solution

The fourth proportional to 5,156.92, 7,731.28 and 2,233.16 is: 3,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.92 : 7,731.28 = 2,233.16 : x
  2. Step 2: Convert to fraction form
    5,156.92/7,731.28 = 2,233.16/x
  3. Step 3: Cross multiply
    5,156.92x = 7,731.28 × 2,233.16
  4. Step 4: Simplify right side
    5,156.92x = 17,265,185.24
  5. Step 5: Solve for x
    x = 17,265,185.24/5,156.92
  6. Step 6: Final answer
    x = 3,347.96

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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.