Home / 4,872.58-7,311.66-2,061.20

Finding the Fourth Proportional to 4,872.58, 7,311.66 and 2,061.20

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Solution

The fourth proportional to 4,872.58, 7,311.66 and 2,061.20 is: 3,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.58 : 7,311.66 = 2,061.20 : x
  2. Step 2: Convert to fraction form
    4,872.58/7,311.66 = 2,061.20/x
  3. Step 3: Cross multiply
    4,872.58x = 7,311.66 × 2,061.20
  4. Step 4: Simplify right side
    4,872.58x = 15,070,793.59
  5. Step 5: Solve for x
    x = 15,070,793.59/4,872.58
  6. Step 6: Final answer
    x = 3,092.98

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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.