Home / 5,076.24-7,615.38-1,791.66

Finding the Fourth Proportional to 5,076.24, 7,615.38 and 1,791.66

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Solution

The fourth proportional to 5,076.24, 7,615.38 and 1,791.66 is: 2,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.24 : 7,615.38 = 1,791.66 : x
  2. Step 2: Convert to fraction form
    5,076.24/7,615.38 = 1,791.66/x
  3. Step 3: Cross multiply
    5,076.24x = 7,615.38 × 1,791.66
  4. Step 4: Simplify right side
    5,076.24x = 13,644,171.73
  5. Step 5: Solve for x
    x = 13,644,171.73/5,076.24
  6. Step 6: Final answer
    x = 2,687.85

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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.