Home / 5,729.38-8,604.29-4,691.36

Finding the Fourth Proportional to 5,729.38, 8,604.29 and 4,691.36

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Solution

The fourth proportional to 5,729.38, 8,604.29 and 4,691.36 is: 7,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.38 : 8,604.29 = 4,691.36 : x
  2. Step 2: Convert to fraction form
    5,729.38/8,604.29 = 4,691.36/x
  3. Step 3: Cross multiply
    5,729.38x = 8,604.29 × 4,691.36
  4. Step 4: Simplify right side
    5,729.38x = 40,365,855.17
  5. Step 5: Solve for x
    x = 40,365,855.17/5,729.38
  6. Step 6: Final answer
    x = 7,045.42

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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.