Home / 4,831.92-7,247.64-2,831.73

Finding the Fourth Proportional to 4,831.92, 7,247.64 and 2,831.73

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Solution

The fourth proportional to 4,831.92, 7,247.64 and 2,831.73 is: 4,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.92 : 7,247.64 = 2,831.73 : x
  2. Step 2: Convert to fraction form
    4,831.92/7,247.64 = 2,831.73/x
  3. Step 3: Cross multiply
    4,831.92x = 7,247.64 × 2,831.73
  4. Step 4: Simplify right side
    4,831.92x = 20,523,359.62
  5. Step 5: Solve for x
    x = 20,523,359.62/4,831.92
  6. Step 6: Final answer
    x = 4,247.45

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1.5x scale

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.