Home / 3,081.72-4,619.81-1,132.56

Finding the Fourth Proportional to 3,081.72, 4,619.81 and 1,132.56

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Solution

The fourth proportional to 3,081.72, 4,619.81 and 1,132.56 is: 1,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.72 : 4,619.81 = 1,132.56 : x
  2. Step 2: Convert to fraction form
    3,081.72/4,619.81 = 1,132.56/x
  3. Step 3: Cross multiply
    3,081.72x = 4,619.81 × 1,132.56
  4. Step 4: Simplify right side
    3,081.72x = 5,232,212.01
  5. Step 5: Solve for x
    x = 5,232,212.01/3,081.72
  6. Step 6: Final answer
    x = 1,697.82

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