Home / 7,108.98-10,664.82-3,213.38

Finding the Fourth Proportional to 7,108.98, 10,664.82 and 3,213.38

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Solution

The fourth proportional to 7,108.98, 10,664.82 and 3,213.38 is: 4,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.98 : 10,664.82 = 3,213.38 : x
  2. Step 2: Convert to fraction form
    7,108.98/10,664.82 = 3,213.38/x
  3. Step 3: Cross multiply
    7,108.98x = 10,664.82 × 3,213.38
  4. Step 4: Simplify right side
    7,108.98x = 34,270,065.97
  5. Step 5: Solve for x
    x = 34,270,065.97/7,108.98
  6. Step 6: Final answer
    x = 4,820.67

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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.