Home / 2,183.96-3,273.78-1,086.68

Finding the Fourth Proportional to 2,183.96, 3,273.78 and 1,086.68

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Solution

The fourth proportional to 2,183.96, 3,273.78 and 1,086.68 is: 1,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.96 : 3,273.78 = 1,086.68 : x
  2. Step 2: Convert to fraction form
    2,183.96/3,273.78 = 1,086.68/x
  3. Step 3: Cross multiply
    2,183.96x = 3,273.78 × 1,086.68
  4. Step 4: Simplify right side
    2,183.96x = 3,557,551.25
  5. Step 5: Solve for x
    x = 3,557,551.25/2,183.96
  6. Step 6: Final answer
    x = 1,628.95

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1.5x scale

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.