Home / 5,104.38-7,657.14-2,912.52

Finding the Fourth Proportional to 5,104.38, 7,657.14 and 2,912.52

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Solution

The fourth proportional to 5,104.38, 7,657.14 and 2,912.52 is: 4,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.38 : 7,657.14 = 2,912.52 : x
  2. Step 2: Convert to fraction form
    5,104.38/7,657.14 = 2,912.52/x
  3. Step 3: Cross multiply
    5,104.38x = 7,657.14 × 2,912.52
  4. Step 4: Simplify right side
    5,104.38x = 22,301,573.39
  5. Step 5: Solve for x
    x = 22,301,573.39/5,104.38
  6. Step 6: Final answer
    x = 4,369.11

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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.