Home / 4,923.86-7,379.55-2,149.79

Finding the Fourth Proportional to 4,923.86, 7,379.55 and 2,149.79

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Solution

The fourth proportional to 4,923.86, 7,379.55 and 2,149.79 is: 3,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.86 : 7,379.55 = 2,149.79 : x
  2. Step 2: Convert to fraction form
    4,923.86/7,379.55 = 2,149.79/x
  3. Step 3: Cross multiply
    4,923.86x = 7,379.55 × 2,149.79
  4. Step 4: Simplify right side
    4,923.86x = 15,864,445.90
  5. Step 5: Solve for x
    x = 15,864,445.90/4,923.86
  6. Step 6: Final answer
    x = 3,221.96

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