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Finding the Fourth Proportional to 3,159.66, 4,737.87 and 1,843.83

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Solution

The fourth proportional to 3,159.66, 4,737.87 and 1,843.83 is: 2,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.66 : 4,737.87 = 1,843.83 : x
  2. Step 2: Convert to fraction form
    3,159.66/4,737.87 = 1,843.83/x
  3. Step 3: Cross multiply
    3,159.66x = 4,737.87 × 1,843.83
  4. Step 4: Simplify right side
    3,159.66x = 8,735,826.84
  5. Step 5: Solve for x
    x = 8,735,826.84/3,159.66
  6. Step 6: Final answer
    x = 2,764.80

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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.