Home / 2,727.60-4,081.68-2,183.28

Finding the Fourth Proportional to 2,727.60, 4,081.68 and 2,183.28

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Solution

The fourth proportional to 2,727.60, 4,081.68 and 2,183.28 is: 3,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.60 : 4,081.68 = 2,183.28 : x
  2. Step 2: Convert to fraction form
    2,727.60/4,081.68 = 2,183.28/x
  3. Step 3: Cross multiply
    2,727.60x = 4,081.68 × 2,183.28
  4. Step 4: Simplify right side
    2,727.60x = 8,911,450.31
  5. Step 5: Solve for x
    x = 8,911,450.31/2,727.60
  6. Step 6: Final answer
    x = 3,267.14

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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.