Home / 3,974.44-5,484.84-2,182

Finding the Fourth Proportional to 3,974.44, 5,484.84 and 2,182

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Solution

The fourth proportional to 3,974.44, 5,484.84 and 2,182 is: 3,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.44 : 5,484.84 = 2,182 : x
  2. Step 2: Convert to fraction form
    3,974.44/5,484.84 = 2,182/x
  3. Step 3: Cross multiply
    3,974.44x = 5,484.84 × 2,182
  4. Step 4: Simplify right side
    3,974.44x = 11,967,920.88
  5. Step 5: Solve for x
    x = 11,967,920.88/3,974.44
  6. Step 6: Final answer
    x = 3,011.22

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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.