Home / 3,022.11-4,532.46-831.01

Finding the Fourth Proportional to 3,022.11, 4,532.46 and 831.01

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Solution

The fourth proportional to 3,022.11, 4,532.46 and 831.01 is: 1,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.11 : 4,532.46 = 831.01 : x
  2. Step 2: Convert to fraction form
    3,022.11/4,532.46 = 831.01/x
  3. Step 3: Cross multiply
    3,022.11x = 4,532.46 × 831.01
  4. Step 4: Simplify right side
    3,022.11x = 3,766,519.58
  5. Step 5: Solve for x
    x = 3,766,519.58/3,022.11
  6. Step 6: Final answer
    x = 1,246.32

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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.