Home / 3,175.24-4,383.44-1,996.96

Finding the Fourth Proportional to 3,175.24, 4,383.44 and 1,996.96

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Solution

The fourth proportional to 3,175.24, 4,383.44 and 1,996.96 is: 2,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.24 : 4,383.44 = 1,996.96 : x
  2. Step 2: Convert to fraction form
    3,175.24/4,383.44 = 1,996.96/x
  3. Step 3: Cross multiply
    3,175.24x = 4,383.44 × 1,996.96
  4. Step 4: Simplify right side
    3,175.24x = 8,753,554.34
  5. Step 5: Solve for x
    x = 8,753,554.34/3,175.24
  6. Step 6: Final answer
    x = 2,756.82

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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.