Home / 2,961.49-4,442.39-2,525.78

Finding the Fourth Proportional to 2,961.49, 4,442.39 and 2,525.78

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Solution

The fourth proportional to 2,961.49, 4,442.39 and 2,525.78 is: 3,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.49 : 4,442.39 = 2,525.78 : x
  2. Step 2: Convert to fraction form
    2,961.49/4,442.39 = 2,525.78/x
  3. Step 3: Cross multiply
    2,961.49x = 4,442.39 × 2,525.78
  4. Step 4: Simplify right side
    2,961.49x = 11,220,521.97
  5. Step 5: Solve for x
    x = 11,220,521.97/2,961.49
  6. Step 6: Final answer
    x = 3,788.81

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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.