Home / 3,477.12-5,213.82-1,996.35

Finding the Fourth Proportional to 3,477.12, 5,213.82 and 1,996.35

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Solution

The fourth proportional to 3,477.12, 5,213.82 and 1,996.35 is: 2,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.12 : 5,213.82 = 1,996.35 : x
  2. Step 2: Convert to fraction form
    3,477.12/5,213.82 = 1,996.35/x
  3. Step 3: Cross multiply
    3,477.12x = 5,213.82 × 1,996.35
  4. Step 4: Simplify right side
    3,477.12x = 10,408,609.56
  5. Step 5: Solve for x
    x = 10,408,609.56/3,477.12
  6. Step 6: Final answer
    x = 2,993.46

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1.5x scale

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.