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Finding the Fourth Proportional to 2,807.93, 3,874.96 and 1,548.97

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Solution

The fourth proportional to 2,807.93, 3,874.96 and 1,548.97 is: 2,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.93 : 3,874.96 = 1,548.97 : x
  2. Step 2: Convert to fraction form
    2,807.93/3,874.96 = 1,548.97/x
  3. Step 3: Cross multiply
    2,807.93x = 3,874.96 × 1,548.97
  4. Step 4: Simplify right side
    2,807.93x = 6,002,177.42
  5. Step 5: Solve for x
    x = 6,002,177.42/2,807.93
  6. Step 6: Final answer
    x = 2,137.58

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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.