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Finding the Fourth Proportional to 2,589.52, 3,879.29 and 1,599.45

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Solution

The fourth proportional to 2,589.52, 3,879.29 and 1,599.45 is: 2,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.52 : 3,879.29 = 1,599.45 : x
  2. Step 2: Convert to fraction form
    2,589.52/3,879.29 = 1,599.45/x
  3. Step 3: Cross multiply
    2,589.52x = 3,879.29 × 1,599.45
  4. Step 4: Simplify right side
    2,589.52x = 6,204,719.84
  5. Step 5: Solve for x
    x = 6,204,719.84/2,589.52
  6. Step 6: Final answer
    x = 2,396.09

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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.