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Finding the Fourth Proportional to 5,622.38, 7,759 and 3,104.48

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Solution

The fourth proportional to 5,622.38, 7,759 and 3,104.48 is: 4,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.38 : 7,759 = 3,104.48 : x
  2. Step 2: Convert to fraction form
    5,622.38/7,759 = 3,104.48/x
  3. Step 3: Cross multiply
    5,622.38x = 7,759 × 3,104.48
  4. Step 4: Simplify right side
    5,622.38x = 24,087,660.32
  5. Step 5: Solve for x
    x = 24,087,660.32/5,622.38
  6. Step 6: Final answer
    x = 4,284.25

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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.