Home / 5,087.88-7,644.60-3,239.82

Finding the Fourth Proportional to 5,087.88, 7,644.60 and 3,239.82

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Solution

The fourth proportional to 5,087.88, 7,644.60 and 3,239.82 is: 4,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.88 : 7,644.60 = 3,239.82 : x
  2. Step 2: Convert to fraction form
    5,087.88/7,644.60 = 3,239.82/x
  3. Step 3: Cross multiply
    5,087.88x = 7,644.60 × 3,239.82
  4. Step 4: Simplify right side
    5,087.88x = 24,767,127.97
  5. Step 5: Solve for x
    x = 24,767,127.97/5,087.88
  6. Step 6: Final answer
    x = 4,867.87

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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.