Home / 5,071.75-7,604.25-2,109.43

Finding the Fourth Proportional to 5,071.75, 7,604.25 and 2,109.43

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Solution

The fourth proportional to 5,071.75, 7,604.25 and 2,109.43 is: 3,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.75 : 7,604.25 = 2,109.43 : x
  2. Step 2: Convert to fraction form
    5,071.75/7,604.25 = 2,109.43/x
  3. Step 3: Cross multiply
    5,071.75x = 7,604.25 × 2,109.43
  4. Step 4: Simplify right side
    5,071.75x = 16,040,633.08
  5. Step 5: Solve for x
    x = 16,040,633.08/5,071.75
  6. Step 6: Final answer
    x = 3,162.74

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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.