Home / 3,311.38-4,568.78-2,052.49

Finding the Fourth Proportional to 3,311.38, 4,568.78 and 2,052.49

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Solution

The fourth proportional to 3,311.38, 4,568.78 and 2,052.49 is: 2,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.38 : 4,568.78 = 2,052.49 : x
  2. Step 2: Convert to fraction form
    3,311.38/4,568.78 = 2,052.49/x
  3. Step 3: Cross multiply
    3,311.38x = 4,568.78 × 2,052.49
  4. Step 4: Simplify right side
    3,311.38x = 9,377,371.77
  5. Step 5: Solve for x
    x = 9,377,371.77/3,311.38
  6. Step 6: Final answer
    x = 2,831.86

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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.