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Finding the Fourth Proportional to 3,391.67, 4,679.44 and 2,395.22

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Solution

The fourth proportional to 3,391.67, 4,679.44 and 2,395.22 is: 3,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.67 : 4,679.44 = 2,395.22 : x
  2. Step 2: Convert to fraction form
    3,391.67/4,679.44 = 2,395.22/x
  3. Step 3: Cross multiply
    3,391.67x = 4,679.44 × 2,395.22
  4. Step 4: Simplify right side
    3,391.67x = 11,208,290.27
  5. Step 5: Solve for x
    x = 11,208,290.27/3,391.67
  6. Step 6: Final answer
    x = 3,304.65

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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.