Home / 3,761.92-5,191.32-2,083.65

Finding the Fourth Proportional to 3,761.92, 5,191.32 and 2,083.65

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Solution

The fourth proportional to 3,761.92, 5,191.32 and 2,083.65 is: 2,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.92 : 5,191.32 = 2,083.65 : x
  2. Step 2: Convert to fraction form
    3,761.92/5,191.32 = 2,083.65/x
  3. Step 3: Cross multiply
    3,761.92x = 5,191.32 × 2,083.65
  4. Step 4: Simplify right side
    3,761.92x = 10,816,893.92
  5. Step 5: Solve for x
    x = 10,816,893.92/3,761.92
  6. Step 6: Final answer
    x = 2,875.37

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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.