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Finding the Fourth Proportional to 3,679.41, 5,518.99 and 1,599.41

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Solution

The fourth proportional to 3,679.41, 5,518.99 and 1,599.41 is: 2,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.41 : 5,518.99 = 1,599.41 : x
  2. Step 2: Convert to fraction form
    3,679.41/5,518.99 = 1,599.41/x
  3. Step 3: Cross multiply
    3,679.41x = 5,518.99 × 1,599.41
  4. Step 4: Simplify right side
    3,679.41x = 8,827,143.59
  5. Step 5: Solve for x
    x = 8,827,143.59/3,679.41
  6. Step 6: Final answer
    x = 2,399.06

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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.