Home / 5,180.15-7,772.36-3,800.52

Finding the Fourth Proportional to 5,180.15, 7,772.36 and 3,800.52

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Solution

The fourth proportional to 5,180.15, 7,772.36 and 3,800.52 is: 5,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.15 : 7,772.36 = 3,800.52 : x
  2. Step 2: Convert to fraction form
    5,180.15/7,772.36 = 3,800.52/x
  3. Step 3: Cross multiply
    5,180.15x = 7,772.36 × 3,800.52
  4. Step 4: Simplify right side
    5,180.15x = 29,538,990.62
  5. Step 5: Solve for x
    x = 29,538,990.62/5,180.15
  6. Step 6: Final answer
    x = 5,702.34

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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.