Home / 5,229.12-7,836.36-3,761.36

Finding the Fourth Proportional to 5,229.12, 7,836.36 and 3,761.36

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Solution

The fourth proportional to 5,229.12, 7,836.36 and 3,761.36 is: 5,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.12 : 7,836.36 = 3,761.36 : x
  2. Step 2: Convert to fraction form
    5,229.12/7,836.36 = 3,761.36/x
  3. Step 3: Cross multiply
    5,229.12x = 7,836.36 × 3,761.36
  4. Step 4: Simplify right side
    5,229.12x = 29,475,371.05
  5. Step 5: Solve for x
    x = 29,475,371.05/5,229.12
  6. Step 6: Final answer
    x = 5,636.77

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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.