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Finding the Fourth Proportional to 2,770.69, 3,819.07 and 2,410.86

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Solution

The fourth proportional to 2,770.69, 3,819.07 and 2,410.86 is: 3,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.69 : 3,819.07 = 2,410.86 : x
  2. Step 2: Convert to fraction form
    2,770.69/3,819.07 = 2,410.86/x
  3. Step 3: Cross multiply
    2,770.69x = 3,819.07 × 2,410.86
  4. Step 4: Simplify right side
    2,770.69x = 9,207,231.05
  5. Step 5: Solve for x
    x = 9,207,231.05/2,770.69
  6. Step 6: Final answer
    x = 3,323.08

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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.