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Finding the Fourth Proportional to 3,862.54, 5,793.82 and 940.82

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Solution

The fourth proportional to 3,862.54, 5,793.82 and 940.82 is: 1,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.54 : 5,793.82 = 940.82 : x
  2. Step 2: Convert to fraction form
    3,862.54/5,793.82 = 940.82/x
  3. Step 3: Cross multiply
    3,862.54x = 5,793.82 × 940.82
  4. Step 4: Simplify right side
    3,862.54x = 5,450,941.73
  5. Step 5: Solve for x
    x = 5,450,941.73/3,862.54
  6. Step 6: Final answer
    x = 1,411.23

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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.