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Finding the Fourth Proportional to 3,793.80, 5,689.88 and 1,195.32

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Solution

The fourth proportional to 3,793.80, 5,689.88 and 1,195.32 is: 1,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.80 : 5,689.88 = 1,195.32 : x
  2. Step 2: Convert to fraction form
    3,793.80/5,689.88 = 1,195.32/x
  3. Step 3: Cross multiply
    3,793.80x = 5,689.88 × 1,195.32
  4. Step 4: Simplify right side
    3,793.80x = 6,801,227.36
  5. Step 5: Solve for x
    x = 6,801,227.36/3,793.80
  6. Step 6: Final answer
    x = 1,792.72

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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.