Home / 2,475.46-3,712.58-831.97

Finding the Fourth Proportional to 2,475.46, 3,712.58 and 831.97

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Solution

The fourth proportional to 2,475.46, 3,712.58 and 831.97 is: 1,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.46 : 3,712.58 = 831.97 : x
  2. Step 2: Convert to fraction form
    2,475.46/3,712.58 = 831.97/x
  3. Step 3: Cross multiply
    2,475.46x = 3,712.58 × 831.97
  4. Step 4: Simplify right side
    2,475.46x = 3,088,763.46
  5. Step 5: Solve for x
    x = 3,088,763.46/2,475.46
  6. Step 6: Final answer
    x = 1,247.75

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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.