Home / 2,183.70-3,016.38-1,765.62

Finding the Fourth Proportional to 2,183.70, 3,016.38 and 1,765.62

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Solution

The fourth proportional to 2,183.70, 3,016.38 and 1,765.62 is: 2,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.70 : 3,016.38 = 1,765.62 : x
  2. Step 2: Convert to fraction form
    2,183.70/3,016.38 = 1,765.62/x
  3. Step 3: Cross multiply
    2,183.70x = 3,016.38 × 1,765.62
  4. Step 4: Simplify right side
    2,183.70x = 5,325,780.86
  5. Step 5: Solve for x
    x = 5,325,780.86/2,183.70
  6. Step 6: Final answer
    x = 2,438.88

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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.