Home / 3,523.49-4,861.99-1,951.48

Finding the Fourth Proportional to 3,523.49, 4,861.99 and 1,951.48

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Solution

The fourth proportional to 3,523.49, 4,861.99 and 1,951.48 is: 2,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.49 : 4,861.99 = 1,951.48 : x
  2. Step 2: Convert to fraction form
    3,523.49/4,861.99 = 1,951.48/x
  3. Step 3: Cross multiply
    3,523.49x = 4,861.99 × 1,951.48
  4. Step 4: Simplify right side
    3,523.49x = 9,488,076.25
  5. Step 5: Solve for x
    x = 9,488,076.25/3,523.49
  6. Step 6: Final answer
    x = 2,692.81

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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.