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Finding the Fourth Proportional to 3,761.66, 5,191.02 and 2,083.03

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Solution

The fourth proportional to 3,761.66, 5,191.02 and 2,083.03 is: 2,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.66 : 5,191.02 = 2,083.03 : x
  2. Step 2: Convert to fraction form
    3,761.66/5,191.02 = 2,083.03/x
  3. Step 3: Cross multiply
    3,761.66x = 5,191.02 × 2,083.03
  4. Step 4: Simplify right side
    3,761.66x = 10,813,050.39
  5. Step 5: Solve for x
    x = 10,813,050.39/3,761.66
  6. Step 6: Final answer
    x = 2,874.54

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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.