Home / 7,600.62-11,401.06-3,440.78

Finding the Fourth Proportional to 7,600.62, 11,401.06 and 3,440.78

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Solution

The fourth proportional to 7,600.62, 11,401.06 and 3,440.78 is: 5,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.62 : 11,401.06 = 3,440.78 : x
  2. Step 2: Convert to fraction form
    7,600.62/11,401.06 = 3,440.78/x
  3. Step 3: Cross multiply
    7,600.62x = 11,401.06 × 3,440.78
  4. Step 4: Simplify right side
    7,600.62x = 39,228,539.23
  5. Step 5: Solve for x
    x = 39,228,539.23/7,600.62
  6. Step 6: Final answer
    x = 5,161.23

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1.5x scale

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.