Home / 5,478.02-8,223.19-2,193.43

Finding the Fourth Proportional to 5,478.02, 8,223.19 and 2,193.43

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Solution

The fourth proportional to 5,478.02, 8,223.19 and 2,193.43 is: 3,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.02 : 8,223.19 = 2,193.43 : x
  2. Step 2: Convert to fraction form
    5,478.02/8,223.19 = 2,193.43/x
  3. Step 3: Cross multiply
    5,478.02x = 8,223.19 × 2,193.43
  4. Step 4: Simplify right side
    5,478.02x = 18,036,991.64
  5. Step 5: Solve for x
    x = 18,036,991.64/5,478.02
  6. Step 6: Final answer
    x = 3,292.61

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