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Finding the Fourth Proportional to 2,579.57, 3,860.78 and 2,348.99

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Solution

The fourth proportional to 2,579.57, 3,860.78 and 2,348.99 is: 3,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.57 : 3,860.78 = 2,348.99 : x
  2. Step 2: Convert to fraction form
    2,579.57/3,860.78 = 2,348.99/x
  3. Step 3: Cross multiply
    2,579.57x = 3,860.78 × 2,348.99
  4. Step 4: Simplify right side
    2,579.57x = 9,068,933.61
  5. Step 5: Solve for x
    x = 9,068,933.61/2,579.57
  6. Step 6: Final answer
    x = 3,515.68

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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.