Home / 2,549.09-3,821.25-1,377.36

Finding the Fourth Proportional to 2,549.09, 3,821.25 and 1,377.36

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Solution

The fourth proportional to 2,549.09, 3,821.25 and 1,377.36 is: 2,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.09 : 3,821.25 = 1,377.36 : x
  2. Step 2: Convert to fraction form
    2,549.09/3,821.25 = 1,377.36/x
  3. Step 3: Cross multiply
    2,549.09x = 3,821.25 × 1,377.36
  4. Step 4: Simplify right side
    2,549.09x = 5,263,236.90
  5. Step 5: Solve for x
    x = 5,263,236.90/2,549.09
  6. Step 6: Final answer
    x = 2,064.75

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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.