Home / 3,976.25-5,485.96-2,297.44

Finding the Fourth Proportional to 3,976.25, 5,485.96 and 2,297.44

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Solution

The fourth proportional to 3,976.25, 5,485.96 and 2,297.44 is: 3,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.25 : 5,485.96 = 2,297.44 : x
  2. Step 2: Convert to fraction form
    3,976.25/5,485.96 = 2,297.44/x
  3. Step 3: Cross multiply
    3,976.25x = 5,485.96 × 2,297.44
  4. Step 4: Simplify right side
    3,976.25x = 12,603,663.94
  5. Step 5: Solve for x
    x = 12,603,663.94/3,976.25
  6. Step 6: Final answer
    x = 3,169.74

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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.