Home / 1,982.94-2,735.79-1,131.59

Finding the Fourth Proportional to 1,982.94, 2,735.79 and 1,131.59

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Solution

The fourth proportional to 1,982.94, 2,735.79 and 1,131.59 is: 1,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.94 : 2,735.79 = 1,131.59 : x
  2. Step 2: Convert to fraction form
    1,982.94/2,735.79 = 1,131.59/x
  3. Step 3: Cross multiply
    1,982.94x = 2,735.79 × 1,131.59
  4. Step 4: Simplify right side
    1,982.94x = 3,095,774.56
  5. Step 5: Solve for x
    x = 3,095,774.56/1,982.94
  6. Step 6: Final answer
    x = 1,561.20

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