Home / 2,025.18-3,038.39-726.35

Finding the Fourth Proportional to 2,025.18, 3,038.39 and 726.35

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Solution

The fourth proportional to 2,025.18, 3,038.39 and 726.35 is: 1,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.18 : 3,038.39 = 726.35 : x
  2. Step 2: Convert to fraction form
    2,025.18/3,038.39 = 726.35/x
  3. Step 3: Cross multiply
    2,025.18x = 3,038.39 × 726.35
  4. Step 4: Simplify right side
    2,025.18x = 2,206,915.75
  5. Step 5: Solve for x
    x = 2,206,915.75/2,025.18
  6. Step 6: Final answer
    x = 1,089.74

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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.