Home / 5,027.76-7,540.42-2,108.25

Finding the Fourth Proportional to 5,027.76, 7,540.42 and 2,108.25

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Solution

The fourth proportional to 5,027.76, 7,540.42 and 2,108.25 is: 3,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.76 : 7,540.42 = 2,108.25 : x
  2. Step 2: Convert to fraction form
    5,027.76/7,540.42 = 2,108.25/x
  3. Step 3: Cross multiply
    5,027.76x = 7,540.42 × 2,108.25
  4. Step 4: Simplify right side
    5,027.76x = 15,897,090.47
  5. Step 5: Solve for x
    x = 15,897,090.47/5,027.76
  6. Step 6: Final answer
    x = 3,161.86

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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.