Home / 4,727.20-7,087.76-2,261.96

Finding the Fourth Proportional to 4,727.20, 7,087.76 and 2,261.96

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Solution

The fourth proportional to 4,727.20, 7,087.76 and 2,261.96 is: 3,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.20 : 7,087.76 = 2,261.96 : x
  2. Step 2: Convert to fraction form
    4,727.20/7,087.76 = 2,261.96/x
  3. Step 3: Cross multiply
    4,727.20x = 7,087.76 × 2,261.96
  4. Step 4: Simplify right side
    4,727.20x = 16,032,218.30
  5. Step 5: Solve for x
    x = 16,032,218.30/4,727.20
  6. Step 6: Final answer
    x = 3,391.49

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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.