Home / 3,220.82-4,447.24-2,473.60

Finding the Fourth Proportional to 3,220.82, 4,447.24 and 2,473.60

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Solution

The fourth proportional to 3,220.82, 4,447.24 and 2,473.60 is: 3,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.82 : 4,447.24 = 2,473.60 : x
  2. Step 2: Convert to fraction form
    3,220.82/4,447.24 = 2,473.60/x
  3. Step 3: Cross multiply
    3,220.82x = 4,447.24 × 2,473.60
  4. Step 4: Simplify right side
    3,220.82x = 11,000,692.86
  5. Step 5: Solve for x
    x = 11,000,692.86/3,220.82
  6. Step 6: Final answer
    x = 3,415.49

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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.