Home / 3,158.73-4,358.61-1,831.95

Finding the Fourth Proportional to 3,158.73, 4,358.61 and 1,831.95

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Solution

The fourth proportional to 3,158.73, 4,358.61 and 1,831.95 is: 2,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.73 : 4,358.61 = 1,831.95 : x
  2. Step 2: Convert to fraction form
    3,158.73/4,358.61 = 1,831.95/x
  3. Step 3: Cross multiply
    3,158.73x = 4,358.61 × 1,831.95
  4. Step 4: Simplify right side
    3,158.73x = 7,984,755.59
  5. Step 5: Solve for x
    x = 7,984,755.59/3,158.73
  6. Step 6: Final answer
    x = 2,527.84

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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.