Home / 1,173.25-1,614.31-1,076.05

Finding the Fourth Proportional to 1,173.25, 1,614.31 and 1,076.05

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Solution

The fourth proportional to 1,173.25, 1,614.31 and 1,076.05 is: 1,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.25 : 1,614.31 = 1,076.05 : x
  2. Step 2: Convert to fraction form
    1,173.25/1,614.31 = 1,076.05/x
  3. Step 3: Cross multiply
    1,173.25x = 1,614.31 × 1,076.05
  4. Step 4: Simplify right side
    1,173.25x = 1,737,078.28
  5. Step 5: Solve for x
    x = 1,737,078.28/1,173.25
  6. Step 6: Final answer
    x = 1,480.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.