Home / 2,349.25-3,245.13-2,183.20

Finding the Fourth Proportional to 2,349.25, 3,245.13 and 2,183.20

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Solution

The fourth proportional to 2,349.25, 3,245.13 and 2,183.20 is: 3,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.25 : 3,245.13 = 2,183.20 : x
  2. Step 2: Convert to fraction form
    2,349.25/3,245.13 = 2,183.20/x
  3. Step 3: Cross multiply
    2,349.25x = 3,245.13 × 2,183.20
  4. Step 4: Simplify right side
    2,349.25x = 7,084,759.70
  5. Step 5: Solve for x
    x = 7,084,759.70/2,349.25
  6. Step 6: Final answer
    x = 3,015.76

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1.5x scale

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.