Home / 1,929.40-2,895.31-1,109.27

Finding the Fourth Proportional to 1,929.40, 2,895.31 and 1,109.27

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Solution

The fourth proportional to 1,929.40, 2,895.31 and 1,109.27 is: 1,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.40 : 2,895.31 = 1,109.27 : x
  2. Step 2: Convert to fraction form
    1,929.40/2,895.31 = 1,109.27/x
  3. Step 3: Cross multiply
    1,929.40x = 2,895.31 × 1,109.27
  4. Step 4: Simplify right side
    1,929.40x = 3,211,680.52
  5. Step 5: Solve for x
    x = 3,211,680.52/1,929.40
  6. Step 6: Final answer
    x = 1,664.60

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