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Finding the Fourth Proportional to 3,843.36, 5,301 and 2,648.73

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Solution

The fourth proportional to 3,843.36, 5,301 and 2,648.73 is: 3,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.36 : 5,301 = 2,648.73 : x
  2. Step 2: Convert to fraction form
    3,843.36/5,301 = 2,648.73/x
  3. Step 3: Cross multiply
    3,843.36x = 5,301 × 2,648.73
  4. Step 4: Simplify right side
    3,843.36x = 14,040,917.73
  5. Step 5: Solve for x
    x = 14,040,917.73/3,843.36
  6. Step 6: Final answer
    x = 3,653.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.