Home / 3,831.42-5,741.56-2,184.49

Finding the Fourth Proportional to 3,831.42, 5,741.56 and 2,184.49

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Solution

The fourth proportional to 3,831.42, 5,741.56 and 2,184.49 is: 3,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.42 : 5,741.56 = 2,184.49 : x
  2. Step 2: Convert to fraction form
    3,831.42/5,741.56 = 2,184.49/x
  3. Step 3: Cross multiply
    3,831.42x = 5,741.56 × 2,184.49
  4. Step 4: Simplify right side
    3,831.42x = 12,542,380.40
  5. Step 5: Solve for x
    x = 12,542,380.40/3,831.42
  6. Step 6: Final answer
    x = 3,273.56

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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.