Home / 1,981.47-2,734.59-1,097.36

Finding the Fourth Proportional to 1,981.47, 2,734.59 and 1,097.36

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Solution

The fourth proportional to 1,981.47, 2,734.59 and 1,097.36 is: 1,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.47 : 2,734.59 = 1,097.36 : x
  2. Step 2: Convert to fraction form
    1,981.47/2,734.59 = 1,097.36/x
  3. Step 3: Cross multiply
    1,981.47x = 2,734.59 × 1,097.36
  4. Step 4: Simplify right side
    1,981.47x = 3,000,810.52
  5. Step 5: Solve for x
    x = 3,000,810.52/1,981.47
  6. Step 6: Final answer
    x = 1,514.44

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