Home / 2,060.36-3,090.94-726.28

Finding the Fourth Proportional to 2,060.36, 3,090.94 and 726.28

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Solution

The fourth proportional to 2,060.36, 3,090.94 and 726.28 is: 1,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.36 : 3,090.94 = 726.28 : x
  2. Step 2: Convert to fraction form
    2,060.36/3,090.94 = 726.28/x
  3. Step 3: Cross multiply
    2,060.36x = 3,090.94 × 726.28
  4. Step 4: Simplify right side
    2,060.36x = 2,244,887.90
  5. Step 5: Solve for x
    x = 2,244,887.90/2,060.36
  6. Step 6: Final answer
    x = 1,089.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.