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Finding the Fourth Proportional to 2,751.27, 3,796.14 and 1,631.64

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Solution

The fourth proportional to 2,751.27, 3,796.14 and 1,631.64 is: 2,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.27 : 3,796.14 = 1,631.64 : x
  2. Step 2: Convert to fraction form
    2,751.27/3,796.14 = 1,631.64/x
  3. Step 3: Cross multiply
    2,751.27x = 3,796.14 × 1,631.64
  4. Step 4: Simplify right side
    2,751.27x = 6,193,933.87
  5. Step 5: Solve for x
    x = 6,193,933.87/2,751.27
  6. Step 6: Final answer
    x = 2,251.30

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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.