Home / 5,715.36-8,560.49-3,517.43

Finding the Fourth Proportional to 5,715.36, 8,560.49 and 3,517.43

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Solution

The fourth proportional to 5,715.36, 8,560.49 and 3,517.43 is: 5,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.36 : 8,560.49 = 3,517.43 : x
  2. Step 2: Convert to fraction form
    5,715.36/8,560.49 = 3,517.43/x
  3. Step 3: Cross multiply
    5,715.36x = 8,560.49 × 3,517.43
  4. Step 4: Simplify right side
    5,715.36x = 30,110,863.95
  5. Step 5: Solve for x
    x = 30,110,863.95/5,715.36
  6. Step 6: Final answer
    x = 5,268.41

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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.