Home / 4,401.12-6,072.44-2,831.28

Finding the Fourth Proportional to 4,401.12, 6,072.44 and 2,831.28

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Solution

The fourth proportional to 4,401.12, 6,072.44 and 2,831.28 is: 3,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.12 : 6,072.44 = 2,831.28 : x
  2. Step 2: Convert to fraction form
    4,401.12/6,072.44 = 2,831.28/x
  3. Step 3: Cross multiply
    4,401.12x = 6,072.44 × 2,831.28
  4. Step 4: Simplify right side
    4,401.12x = 17,192,777.92
  5. Step 5: Solve for x
    x = 17,192,777.92/4,401.12
  6. Step 6: Final answer
    x = 3,906.46

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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.