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Finding the Fourth Proportional to 5,622.30, 7,759 and 3,104.70

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Solution

The fourth proportional to 5,622.30, 7,759 and 3,104.70 is: 4,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.30 : 7,759 = 3,104.70 : x
  2. Step 2: Convert to fraction form
    5,622.30/7,759 = 3,104.70/x
  3. Step 3: Cross multiply
    5,622.30x = 7,759 × 3,104.70
  4. Step 4: Simplify right side
    5,622.30x = 24,089,367.30
  5. Step 5: Solve for x
    x = 24,089,367.30/5,622.30
  6. Step 6: Final answer
    x = 4,284.61

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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.