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Finding the Fourth Proportional to 3,245.97, 4,865.10 and 1,860.27

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Solution

The fourth proportional to 3,245.97, 4,865.10 and 1,860.27 is: 2,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.97 : 4,865.10 = 1,860.27 : x
  2. Step 2: Convert to fraction form
    3,245.97/4,865.10 = 1,860.27/x
  3. Step 3: Cross multiply
    3,245.97x = 4,865.10 × 1,860.27
  4. Step 4: Simplify right side
    3,245.97x = 9,050,374.36
  5. Step 5: Solve for x
    x = 9,050,374.36/3,245.97
  6. Step 6: Final answer
    x = 2,788.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.