Home / 5,200.66-7,180.38-3,076.88

Finding the Fourth Proportional to 5,200.66, 7,180.38 and 3,076.88

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Solution

The fourth proportional to 5,200.66, 7,180.38 and 3,076.88 is: 4,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.66 : 7,180.38 = 3,076.88 : x
  2. Step 2: Convert to fraction form
    5,200.66/7,180.38 = 3,076.88/x
  3. Step 3: Cross multiply
    5,200.66x = 7,180.38 × 3,076.88
  4. Step 4: Simplify right side
    5,200.66x = 22,093,120.17
  5. Step 5: Solve for x
    x = 22,093,120.17/5,200.66
  6. Step 6: Final answer
    x = 4,248.14

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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.