Home / 5,708.42-8,561.28-3,859.04

Finding the Fourth Proportional to 5,708.42, 8,561.28 and 3,859.04

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Solution

The fourth proportional to 5,708.42, 8,561.28 and 3,859.04 is: 5,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.42 : 8,561.28 = 3,859.04 : x
  2. Step 2: Convert to fraction form
    5,708.42/8,561.28 = 3,859.04/x
  3. Step 3: Cross multiply
    5,708.42x = 8,561.28 × 3,859.04
  4. Step 4: Simplify right side
    5,708.42x = 33,038,321.97
  5. Step 5: Solve for x
    x = 33,038,321.97/5,708.42
  6. Step 6: Final answer
    x = 5,787.65

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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.