Home / 5,387.25-8,076.92-2,054.91

Finding the Fourth Proportional to 5,387.25, 8,076.92 and 2,054.91

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Solution

The fourth proportional to 5,387.25, 8,076.92 and 2,054.91 is: 3,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.25 : 8,076.92 = 2,054.91 : x
  2. Step 2: Convert to fraction form
    5,387.25/8,076.92 = 2,054.91/x
  3. Step 3: Cross multiply
    5,387.25x = 8,076.92 × 2,054.91
  4. Step 4: Simplify right side
    5,387.25x = 16,597,333.40
  5. Step 5: Solve for x
    x = 16,597,333.40/5,387.25
  6. Step 6: Final answer
    x = 3,080.85

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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.