Home / 2,784.47-4,177.56-1,118.59

Finding the Fourth Proportional to 2,784.47, 4,177.56 and 1,118.59

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Solution

The fourth proportional to 2,784.47, 4,177.56 and 1,118.59 is: 1,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.47 : 4,177.56 = 1,118.59 : x
  2. Step 2: Convert to fraction form
    2,784.47/4,177.56 = 1,118.59/x
  3. Step 3: Cross multiply
    2,784.47x = 4,177.56 × 1,118.59
  4. Step 4: Simplify right side
    2,784.47x = 4,672,976.84
  5. Step 5: Solve for x
    x = 4,672,976.84/2,784.47
  6. Step 6: Final answer
    x = 1,678.23

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