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Finding the Fourth Proportional to 3,559.98, 5,345.73 and 3,410.22

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Solution

The fourth proportional to 3,559.98, 5,345.73 and 3,410.22 is: 5,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.98 : 5,345.73 = 3,410.22 : x
  2. Step 2: Convert to fraction form
    3,559.98/5,345.73 = 3,410.22/x
  3. Step 3: Cross multiply
    3,559.98x = 5,345.73 × 3,410.22
  4. Step 4: Simplify right side
    3,559.98x = 18,230,115.36
  5. Step 5: Solve for x
    x = 18,230,115.36/3,559.98
  6. Step 6: Final answer
    x = 5,120.85

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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.