Home / 5,517.60-8,276.38-2,397.21

Finding the Fourth Proportional to 5,517.60, 8,276.38 and 2,397.21

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Solution

The fourth proportional to 5,517.60, 8,276.38 and 2,397.21 is: 3,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.60 : 8,276.38 = 2,397.21 : x
  2. Step 2: Convert to fraction form
    5,517.60/8,276.38 = 2,397.21/x
  3. Step 3: Cross multiply
    5,517.60x = 8,276.38 × 2,397.21
  4. Step 4: Simplify right side
    5,517.60x = 19,840,220.90
  5. Step 5: Solve for x
    x = 19,840,220.90/5,517.60
  6. Step 6: Final answer
    x = 3,595.81

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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.