Home / 4,831.73-7,236.59-2,879.90

Finding the Fourth Proportional to 4,831.73, 7,236.59 and 2,879.90

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Solution

The fourth proportional to 4,831.73, 7,236.59 and 2,879.90 is: 4,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.73 : 7,236.59 = 2,879.90 : x
  2. Step 2: Convert to fraction form
    4,831.73/7,236.59 = 2,879.90/x
  3. Step 3: Cross multiply
    4,831.73x = 7,236.59 × 2,879.90
  4. Step 4: Simplify right side
    4,831.73x = 20,840,604.96
  5. Step 5: Solve for x
    x = 20,840,604.96/4,831.73
  6. Step 6: Final answer
    x = 4,313.28

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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.