Home / 5,915.64-8,163.20-3,395.97

Finding the Fourth Proportional to 5,915.64, 8,163.20 and 3,395.97

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Solution

The fourth proportional to 5,915.64, 8,163.20 and 3,395.97 is: 4,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.64 : 8,163.20 = 3,395.97 : x
  2. Step 2: Convert to fraction form
    5,915.64/8,163.20 = 3,395.97/x
  3. Step 3: Cross multiply
    5,915.64x = 8,163.20 × 3,395.97
  4. Step 4: Simplify right side
    5,915.64x = 27,721,982.30
  5. Step 5: Solve for x
    x = 27,721,982.30/5,915.64
  6. Step 6: Final answer
    x = 4,686.22

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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.