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Finding the Fourth Proportional to 3,957.26, 5,934.87 and 1,183.21

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Solution

The fourth proportional to 3,957.26, 5,934.87 and 1,183.21 is: 1,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.26 : 5,934.87 = 1,183.21 : x
  2. Step 2: Convert to fraction form
    3,957.26/5,934.87 = 1,183.21/x
  3. Step 3: Cross multiply
    3,957.26x = 5,934.87 × 1,183.21
  4. Step 4: Simplify right side
    3,957.26x = 7,022,182.70
  5. Step 5: Solve for x
    x = 7,022,182.70/3,957.26
  6. Step 6: Final answer
    x = 1,774.51

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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.