Home / 4,685.06-7,027.60-3,219.78

Finding the Fourth Proportional to 4,685.06, 7,027.60 and 3,219.78

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Solution

The fourth proportional to 4,685.06, 7,027.60 and 3,219.78 is: 4,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.06 : 7,027.60 = 3,219.78 : x
  2. Step 2: Convert to fraction form
    4,685.06/7,027.60 = 3,219.78/x
  3. Step 3: Cross multiply
    4,685.06x = 7,027.60 × 3,219.78
  4. Step 4: Simplify right side
    4,685.06x = 22,627,325.93
  5. Step 5: Solve for x
    x = 22,627,325.93/4,685.06
  6. Step 6: Final answer
    x = 4,829.68

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