Home / 4,286.26-6,424.92-2,091.98

Finding the Fourth Proportional to 4,286.26, 6,424.92 and 2,091.98

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Solution

The fourth proportional to 4,286.26, 6,424.92 and 2,091.98 is: 3,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.26 : 6,424.92 = 2,091.98 : x
  2. Step 2: Convert to fraction form
    4,286.26/6,424.92 = 2,091.98/x
  3. Step 3: Cross multiply
    4,286.26x = 6,424.92 × 2,091.98
  4. Step 4: Simplify right side
    4,286.26x = 13,440,804.14
  5. Step 5: Solve for x
    x = 13,440,804.14/4,286.26
  6. Step 6: Final answer
    x = 3,135.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.