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Finding the Fourth Proportional to 3,926.97, 5,891.00 and 1,153.85

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Solution

The fourth proportional to 3,926.97, 5,891.00 and 1,153.85 is: 1,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.97 : 5,891.00 = 1,153.85 : x
  2. Step 2: Convert to fraction form
    3,926.97/5,891.00 = 1,153.85/x
  3. Step 3: Cross multiply
    3,926.97x = 5,891.00 × 1,153.85
  4. Step 4: Simplify right side
    3,926.97x = 6,797,295.13
  5. Step 5: Solve for x
    x = 6,797,295.13/3,926.97
  6. Step 6: Final answer
    x = 1,730.93

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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.