Home / 5,681.28-8,517.66-3,827.16

Finding the Fourth Proportional to 5,681.28, 8,517.66 and 3,827.16

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Solution

The fourth proportional to 5,681.28, 8,517.66 and 3,827.16 is: 5,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.28 : 8,517.66 = 3,827.16 : x
  2. Step 2: Convert to fraction form
    5,681.28/8,517.66 = 3,827.16/x
  3. Step 3: Cross multiply
    5,681.28x = 8,517.66 × 3,827.16
  4. Step 4: Simplify right side
    5,681.28x = 32,598,447.65
  5. Step 5: Solve for x
    x = 32,598,447.65/5,681.28
  6. Step 6: Final answer
    x = 5,737.87

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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.