Home / 5,676.82-8,517.56-2,512.57

Finding the Fourth Proportional to 5,676.82, 8,517.56 and 2,512.57

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Solution

The fourth proportional to 5,676.82, 8,517.56 and 2,512.57 is: 3,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.82 : 8,517.56 = 2,512.57 : x
  2. Step 2: Convert to fraction form
    5,676.82/8,517.56 = 2,512.57/x
  3. Step 3: Cross multiply
    5,676.82x = 8,517.56 × 2,512.57
  4. Step 4: Simplify right side
    5,676.82x = 21,400,965.73
  5. Step 5: Solve for x
    x = 21,400,965.73/5,676.82
  6. Step 6: Final answer
    x = 3,769.89

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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.