Home / 4,831.38-7,247.61-2,198.88

Finding the Fourth Proportional to 4,831.38, 7,247.61 and 2,198.88

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Solution

The fourth proportional to 4,831.38, 7,247.61 and 2,198.88 is: 3,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.38 : 7,247.61 = 2,198.88 : x
  2. Step 2: Convert to fraction form
    4,831.38/7,247.61 = 2,198.88/x
  3. Step 3: Cross multiply
    4,831.38x = 7,247.61 × 2,198.88
  4. Step 4: Simplify right side
    4,831.38x = 15,936,624.68
  5. Step 5: Solve for x
    x = 15,936,624.68/4,831.38
  6. Step 6: Final answer
    x = 3,298.57

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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.