Home / 1,945.52-2,914.38-1,327.69

Finding the Fourth Proportional to 1,945.52, 2,914.38 and 1,327.69

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Solution

The fourth proportional to 1,945.52, 2,914.38 and 1,327.69 is: 1,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.52 : 2,914.38 = 1,327.69 : x
  2. Step 2: Convert to fraction form
    1,945.52/2,914.38 = 1,327.69/x
  3. Step 3: Cross multiply
    1,945.52x = 2,914.38 × 1,327.69
  4. Step 4: Simplify right side
    1,945.52x = 3,869,393.18
  5. Step 5: Solve for x
    x = 3,869,393.18/1,945.52
  6. Step 6: Final answer
    x = 1,988.87

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