Home / 4,766.86-7,150.01-2,831.38

Finding the Fourth Proportional to 4,766.86, 7,150.01 and 2,831.38

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Solution

The fourth proportional to 4,766.86, 7,150.01 and 2,831.38 is: 4,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.86 : 7,150.01 = 2,831.38 : x
  2. Step 2: Convert to fraction form
    4,766.86/7,150.01 = 2,831.38/x
  3. Step 3: Cross multiply
    4,766.86x = 7,150.01 × 2,831.38
  4. Step 4: Simplify right side
    4,766.86x = 20,244,381.16
  5. Step 5: Solve for x
    x = 20,244,381.16/4,766.86
  6. Step 6: Final answer
    x = 4,246.90

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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.