Home / 3,945.56-5,405.38-3,797.84

Finding the Fourth Proportional to 3,945.56, 5,405.38 and 3,797.84

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Solution

The fourth proportional to 3,945.56, 5,405.38 and 3,797.84 is: 5,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.56 : 5,405.38 = 3,797.84 : x
  2. Step 2: Convert to fraction form
    3,945.56/5,405.38 = 3,797.84/x
  3. Step 3: Cross multiply
    3,945.56x = 5,405.38 × 3,797.84
  4. Step 4: Simplify right side
    3,945.56x = 20,528,768.38
  5. Step 5: Solve for x
    x = 20,528,768.38/3,945.56
  6. Step 6: Final answer
    x = 5,203.00

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