Home / 6,251.20-9,376.80-4,793.20

Finding the Fourth Proportional to 6,251.20, 9,376.80 and 4,793.20

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Solution

The fourth proportional to 6,251.20, 9,376.80 and 4,793.20 is: 7,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.20 : 9,376.80 = 4,793.20 : x
  2. Step 2: Convert to fraction form
    6,251.20/9,376.80 = 4,793.20/x
  3. Step 3: Cross multiply
    6,251.20x = 9,376.80 × 4,793.20
  4. Step 4: Simplify right side
    6,251.20x = 44,944,877.76
  5. Step 5: Solve for x
    x = 44,944,877.76/6,251.20
  6. Step 6: Final answer
    x = 7,189.80

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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.