Home / 3,831.44-5,744.58-1,331.98

Finding the Fourth Proportional to 3,831.44, 5,744.58 and 1,331.98

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Solution

The fourth proportional to 3,831.44, 5,744.58 and 1,331.98 is: 1,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.44 : 5,744.58 = 1,331.98 : x
  2. Step 2: Convert to fraction form
    3,831.44/5,744.58 = 1,331.98/x
  3. Step 3: Cross multiply
    3,831.44x = 5,744.58 × 1,331.98
  4. Step 4: Simplify right side
    3,831.44x = 7,651,665.67
  5. Step 5: Solve for x
    x = 7,651,665.67/3,831.44
  6. Step 6: Final answer
    x = 1,997.07

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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.