Home / 3,173.94-4,379.52-1,996.60

Finding the Fourth Proportional to 3,173.94, 4,379.52 and 1,996.60

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Solution

The fourth proportional to 3,173.94, 4,379.52 and 1,996.60 is: 2,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.94 : 4,379.52 = 1,996.60 : x
  2. Step 2: Convert to fraction form
    3,173.94/4,379.52 = 1,996.60/x
  3. Step 3: Cross multiply
    3,173.94x = 4,379.52 × 1,996.60
  4. Step 4: Simplify right side
    3,173.94x = 8,744,149.63
  5. Step 5: Solve for x
    x = 8,744,149.63/3,173.94
  6. Step 6: Final answer
    x = 2,754.98

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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.