Home / 1,144.26-1,579.01-702.06

Finding the Fourth Proportional to 1,144.26, 1,579.01 and 702.06

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Solution

The fourth proportional to 1,144.26, 1,579.01 and 702.06 is: 968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.26 : 1,579.01 = 702.06 : x
  2. Step 2: Convert to fraction form
    1,144.26/1,579.01 = 702.06/x
  3. Step 3: Cross multiply
    1,144.26x = 1,579.01 × 702.06
  4. Step 4: Simplify right side
    1,144.26x = 1,108,556.25
  5. Step 5: Solve for x
    x = 1,108,556.25/1,144.26
  6. Step 6: Final answer
    x = 968.80

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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.