Home / 5,912.52-8,160.08-3,428.52

Finding the Fourth Proportional to 5,912.52, 8,160.08 and 3,428.52

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Solution

The fourth proportional to 5,912.52, 8,160.08 and 3,428.52 is: 4,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.52 : 8,160.08 = 3,428.52 : x
  2. Step 2: Convert to fraction form
    5,912.52/8,160.08 = 3,428.52/x
  3. Step 3: Cross multiply
    5,912.52x = 8,160.08 × 3,428.52
  4. Step 4: Simplify right side
    5,912.52x = 27,976,997.48
  5. Step 5: Solve for x
    x = 27,976,997.48/5,912.52
  6. Step 6: Final answer
    x = 4,731.82

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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.