Home / 2,548.24-3,822.60-699.28

Finding the Fourth Proportional to 2,548.24, 3,822.60 and 699.28

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Solution

The fourth proportional to 2,548.24, 3,822.60 and 699.28 is: 1,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.24 : 3,822.60 = 699.28 : x
  2. Step 2: Convert to fraction form
    2,548.24/3,822.60 = 699.28/x
  3. Step 3: Cross multiply
    2,548.24x = 3,822.60 × 699.28
  4. Step 4: Simplify right side
    2,548.24x = 2,673,067.73
  5. Step 5: Solve for x
    x = 2,673,067.73/2,548.24
  6. Step 6: Final answer
    x = 1,048.99

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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.