Home / 5,915.52-8,163.06-3,397.10

Finding the Fourth Proportional to 5,915.52, 8,163.06 and 3,397.10

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Solution

The fourth proportional to 5,915.52, 8,163.06 and 3,397.10 is: 4,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.52 : 8,163.06 = 3,397.10 : x
  2. Step 2: Convert to fraction form
    5,915.52/8,163.06 = 3,397.10/x
  3. Step 3: Cross multiply
    5,915.52x = 8,163.06 × 3,397.10
  4. Step 4: Simplify right side
    5,915.52x = 27,730,731.13
  5. Step 5: Solve for x
    x = 27,730,731.13/5,915.52
  6. Step 6: Final answer
    x = 4,687.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.