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Finding the Fourth Proportional to 3,175.87, 4,383.13 and 1,849.99

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Solution

The fourth proportional to 3,175.87, 4,383.13 and 1,849.99 is: 2,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.87 : 4,383.13 = 1,849.99 : x
  2. Step 2: Convert to fraction form
    3,175.87/4,383.13 = 1,849.99/x
  3. Step 3: Cross multiply
    3,175.87x = 4,383.13 × 1,849.99
  4. Step 4: Simplify right side
    3,175.87x = 8,108,724.75
  5. Step 5: Solve for x
    x = 8,108,724.75/3,175.87
  6. Step 6: Final answer
    x = 2,553.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.