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Finding the Fourth Proportional to 3,998.94, 5,520.99 and 2,583.06

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Solution

The fourth proportional to 3,998.94, 5,520.99 and 2,583.06 is: 3,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.94 : 5,520.99 = 2,583.06 : x
  2. Step 2: Convert to fraction form
    3,998.94/5,520.99 = 2,583.06/x
  3. Step 3: Cross multiply
    3,998.94x = 5,520.99 × 2,583.06
  4. Step 4: Simplify right side
    3,998.94x = 14,261,048.43
  5. Step 5: Solve for x
    x = 14,261,048.43/3,998.94
  6. Step 6: Final answer
    x = 3,566.21

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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.