Home / 2,183.20-3,272.29-1,085.11

Finding the Fourth Proportional to 2,183.20, 3,272.29 and 1,085.11

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Solution

The fourth proportional to 2,183.20, 3,272.29 and 1,085.11 is: 1,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.20 : 3,272.29 = 1,085.11 : x
  2. Step 2: Convert to fraction form
    2,183.20/3,272.29 = 1,085.11/x
  3. Step 3: Cross multiply
    2,183.20x = 3,272.29 × 1,085.11
  4. Step 4: Simplify right side
    2,183.20x = 3,550,794.60
  5. Step 5: Solve for x
    x = 3,550,794.60/2,183.20
  6. Step 6: Final answer
    x = 1,626.42

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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.