Home / 3,203.26-4,421.19-1,961.98

Finding the Fourth Proportional to 3,203.26, 4,421.19 and 1,961.98

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Solution

The fourth proportional to 3,203.26, 4,421.19 and 1,961.98 is: 2,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.26 : 4,421.19 = 1,961.98 : x
  2. Step 2: Convert to fraction form
    3,203.26/4,421.19 = 1,961.98/x
  3. Step 3: Cross multiply
    3,203.26x = 4,421.19 × 1,961.98
  4. Step 4: Simplify right side
    3,203.26x = 8,674,286.36
  5. Step 5: Solve for x
    x = 8,674,286.36/3,203.26
  6. Step 6: Final answer
    x = 2,707.96

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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.