Home / 5,180.54-7,149.15-3,084.50

Finding the Fourth Proportional to 5,180.54, 7,149.15 and 3,084.50

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Solution

The fourth proportional to 5,180.54, 7,149.15 and 3,084.50 is: 4,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.54 : 7,149.15 = 3,084.50 : x
  2. Step 2: Convert to fraction form
    5,180.54/7,149.15 = 3,084.50/x
  3. Step 3: Cross multiply
    5,180.54x = 7,149.15 × 3,084.50
  4. Step 4: Simplify right side
    5,180.54x = 22,051,553.18
  5. Step 5: Solve for x
    x = 22,051,553.18/5,180.54
  6. Step 6: Final answer
    x = 4,256.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.