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Finding the Fourth Proportional to 5,297.62, 7,940.76 and 3,350.38

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Solution

The fourth proportional to 5,297.62, 7,940.76 and 3,350.38 is: 5,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.62 : 7,940.76 = 3,350.38 : x
  2. Step 2: Convert to fraction form
    5,297.62/7,940.76 = 3,350.38/x
  3. Step 3: Cross multiply
    5,297.62x = 7,940.76 × 3,350.38
  4. Step 4: Simplify right side
    5,297.62x = 26,604,563.49
  5. Step 5: Solve for x
    x = 26,604,563.49/5,297.62
  6. Step 6: Final answer
    x = 5,021.98

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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.