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Finding the Fourth Proportional to 5,795.47, 7,996.41 and 3,910.55

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Solution

The fourth proportional to 5,795.47, 7,996.41 and 3,910.55 is: 5,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.47 : 7,996.41 = 3,910.55 : x
  2. Step 2: Convert to fraction form
    5,795.47/7,996.41 = 3,910.55/x
  3. Step 3: Cross multiply
    5,795.47x = 7,996.41 × 3,910.55
  4. Step 4: Simplify right side
    5,795.47x = 31,270,361.13
  5. Step 5: Solve for x
    x = 31,270,361.13/5,795.47
  6. Step 6: Final answer
    x = 5,395.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.