Home / 5,117.72-7,675.97-3,010.61

Finding the Fourth Proportional to 5,117.72, 7,675.97 and 3,010.61

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Solution

The fourth proportional to 5,117.72, 7,675.97 and 3,010.61 is: 4,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.72 : 7,675.97 = 3,010.61 : x
  2. Step 2: Convert to fraction form
    5,117.72/7,675.97 = 3,010.61/x
  3. Step 3: Cross multiply
    5,117.72x = 7,675.97 × 3,010.61
  4. Step 4: Simplify right side
    5,117.72x = 23,109,378.76
  5. Step 5: Solve for x
    x = 23,109,378.76/5,117.72
  6. Step 6: Final answer
    x = 4,515.56

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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.