Home / 2,040.13-3,060.26-1,351.21

Finding the Fourth Proportional to 2,040.13, 3,060.26 and 1,351.21

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Solution

The fourth proportional to 2,040.13, 3,060.26 and 1,351.21 is: 2,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.13 : 3,060.26 = 1,351.21 : x
  2. Step 2: Convert to fraction form
    2,040.13/3,060.26 = 1,351.21/x
  3. Step 3: Cross multiply
    2,040.13x = 3,060.26 × 1,351.21
  4. Step 4: Simplify right side
    2,040.13x = 4,135,047.16
  5. Step 5: Solve for x
    x = 4,135,047.16/2,040.13
  6. Step 6: Final answer
    x = 2,026.85

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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.