Home / 5,480.92-8,239.20-4,397.14

Finding the Fourth Proportional to 5,480.92, 8,239.20 and 4,397.14

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Solution

The fourth proportional to 5,480.92, 8,239.20 and 4,397.14 is: 6,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.92 : 8,239.20 = 4,397.14 : x
  2. Step 2: Convert to fraction form
    5,480.92/8,239.20 = 4,397.14/x
  3. Step 3: Cross multiply
    5,480.92x = 8,239.20 × 4,397.14
  4. Step 4: Simplify right side
    5,480.92x = 36,228,915.89
  5. Step 5: Solve for x
    x = 36,228,915.89/5,480.92
  6. Step 6: Final answer
    x = 6,610.01

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1.5x scale

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.