Home / 3,831.75-5,746.90-1,366.56

Finding the Fourth Proportional to 3,831.75, 5,746.90 and 1,366.56

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Solution

The fourth proportional to 3,831.75, 5,746.90 and 1,366.56 is: 2,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.75 : 5,746.90 = 1,366.56 : x
  2. Step 2: Convert to fraction form
    3,831.75/5,746.90 = 1,366.56/x
  3. Step 3: Cross multiply
    3,831.75x = 5,746.90 × 1,366.56
  4. Step 4: Simplify right side
    3,831.75x = 7,853,483.66
  5. Step 5: Solve for x
    x = 7,853,483.66/3,831.75
  6. Step 6: Final answer
    x = 2,049.58

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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.