Home / 3,193.74-4,407.12-1,999.26

Finding the Fourth Proportional to 3,193.74, 4,407.12 and 1,999.26

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Solution

The fourth proportional to 3,193.74, 4,407.12 and 1,999.26 is: 2,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.74 : 4,407.12 = 1,999.26 : x
  2. Step 2: Convert to fraction form
    3,193.74/4,407.12 = 1,999.26/x
  3. Step 3: Cross multiply
    3,193.74x = 4,407.12 × 1,999.26
  4. Step 4: Simplify right side
    3,193.74x = 8,810,978.73
  5. Step 5: Solve for x
    x = 8,810,978.73/3,193.74
  6. Step 6: Final answer
    x = 2,758.83

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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.