Home / 2,025.27-3,038.10-726.43

Finding the Fourth Proportional to 2,025.27, 3,038.10 and 726.43

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Solution

The fourth proportional to 2,025.27, 3,038.10 and 726.43 is: 1,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.27 : 3,038.10 = 726.43 : x
  2. Step 2: Convert to fraction form
    2,025.27/3,038.10 = 726.43/x
  3. Step 3: Cross multiply
    2,025.27x = 3,038.10 × 726.43
  4. Step 4: Simplify right side
    2,025.27x = 2,206,966.98
  5. Step 5: Solve for x
    x = 2,206,966.98/2,025.27
  6. Step 6: Final answer
    x = 1,089.71

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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.