Home / 2,183.68-3,276.60-1,640.56

Finding the Fourth Proportional to 2,183.68, 3,276.60 and 1,640.56

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Solution

The fourth proportional to 2,183.68, 3,276.60 and 1,640.56 is: 2,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.68 : 3,276.60 = 1,640.56 : x
  2. Step 2: Convert to fraction form
    2,183.68/3,276.60 = 1,640.56/x
  3. Step 3: Cross multiply
    2,183.68x = 3,276.60 × 1,640.56
  4. Step 4: Simplify right side
    2,183.68x = 5,375,458.90
  5. Step 5: Solve for x
    x = 5,375,458.90/2,183.68
  6. Step 6: Final answer
    x = 2,461.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.