Home / 5,398.62-8,100.18-2,930.46

Finding the Fourth Proportional to 5,398.62, 8,100.18 and 2,930.46

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Solution

The fourth proportional to 5,398.62, 8,100.18 and 2,930.46 is: 4,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.62 : 8,100.18 = 2,930.46 : x
  2. Step 2: Convert to fraction form
    5,398.62/8,100.18 = 2,930.46/x
  3. Step 3: Cross multiply
    5,398.62x = 8,100.18 × 2,930.46
  4. Step 4: Simplify right side
    5,398.62x = 23,737,253.48
  5. Step 5: Solve for x
    x = 23,737,253.48/5,398.62
  6. Step 6: Final answer
    x = 4,396.91

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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.