Home / 2,183.45-3,013.38-1,251.95

Finding the Fourth Proportional to 2,183.45, 3,013.38 and 1,251.95

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Solution

The fourth proportional to 2,183.45, 3,013.38 and 1,251.95 is: 1,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.45 : 3,013.38 = 1,251.95 : x
  2. Step 2: Convert to fraction form
    2,183.45/3,013.38 = 1,251.95/x
  3. Step 3: Cross multiply
    2,183.45x = 3,013.38 × 1,251.95
  4. Step 4: Simplify right side
    2,183.45x = 3,772,586.02
  5. Step 5: Solve for x
    x = 3,772,586.02/2,183.45
  6. Step 6: Final answer
    x = 1,727.81

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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.