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Finding the Fourth Proportional to 3,540.99, 5,310.24 and 1,041.49

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Solution

The fourth proportional to 3,540.99, 5,310.24 and 1,041.49 is: 1,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.99 : 5,310.24 = 1,041.49 : x
  2. Step 2: Convert to fraction form
    3,540.99/5,310.24 = 1,041.49/x
  3. Step 3: Cross multiply
    3,540.99x = 5,310.24 × 1,041.49
  4. Step 4: Simplify right side
    3,540.99x = 5,530,561.86
  5. Step 5: Solve for x
    x = 5,530,561.86/3,540.99
  6. Step 6: Final answer
    x = 1,561.87

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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.