Home / 1,929.22-2,892.61-1,270.38

Finding the Fourth Proportional to 1,929.22, 2,892.61 and 1,270.38

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Solution

The fourth proportional to 1,929.22, 2,892.61 and 1,270.38 is: 1,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.22 : 2,892.61 = 1,270.38 : x
  2. Step 2: Convert to fraction form
    1,929.22/2,892.61 = 1,270.38/x
  3. Step 3: Cross multiply
    1,929.22x = 2,892.61 × 1,270.38
  4. Step 4: Simplify right side
    1,929.22x = 3,674,726.33
  5. Step 5: Solve for x
    x = 3,674,726.33/1,929.22
  6. Step 6: Final answer
    x = 1,904.78

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