Home / 3,605.56-5,408.30-1,961.73

Finding the Fourth Proportional to 3,605.56, 5,408.30 and 1,961.73

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Solution

The fourth proportional to 3,605.56, 5,408.30 and 1,961.73 is: 2,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.56 : 5,408.30 = 1,961.73 : x
  2. Step 2: Convert to fraction form
    3,605.56/5,408.30 = 1,961.73/x
  3. Step 3: Cross multiply
    3,605.56x = 5,408.30 × 1,961.73
  4. Step 4: Simplify right side
    3,605.56x = 10,609,629.26
  5. Step 5: Solve for x
    x = 10,609,629.26/3,605.56
  6. Step 6: Final answer
    x = 2,942.58

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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.