Home / 3,431.06-5,141.68-1,867.66

Finding the Fourth Proportional to 3,431.06, 5,141.68 and 1,867.66

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Solution

The fourth proportional to 3,431.06, 5,141.68 and 1,867.66 is: 2,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.06 : 5,141.68 = 1,867.66 : x
  2. Step 2: Convert to fraction form
    3,431.06/5,141.68 = 1,867.66/x
  3. Step 3: Cross multiply
    3,431.06x = 5,141.68 × 1,867.66
  4. Step 4: Simplify right side
    3,431.06x = 9,602,892.55
  5. Step 5: Solve for x
    x = 9,602,892.55/3,431.06
  6. Step 6: Final answer
    x = 2,798.81

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