Home / 5,387.44-8,078.28-2,463.16

Finding the Fourth Proportional to 5,387.44, 8,078.28 and 2,463.16

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Solution

The fourth proportional to 5,387.44, 8,078.28 and 2,463.16 is: 3,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.44 : 8,078.28 = 2,463.16 : x
  2. Step 2: Convert to fraction form
    5,387.44/8,078.28 = 2,463.16/x
  3. Step 3: Cross multiply
    5,387.44x = 8,078.28 × 2,463.16
  4. Step 4: Simplify right side
    5,387.44x = 19,898,096.16
  5. Step 5: Solve for x
    x = 19,898,096.16/5,387.44
  6. Step 6: Final answer
    x = 3,693.42

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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.