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Finding the Fourth Proportional to 3,163.74, 4,369.11 and 2,695.26

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Solution

The fourth proportional to 3,163.74, 4,369.11 and 2,695.26 is: 3,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.74 : 4,369.11 = 2,695.26 : x
  2. Step 2: Convert to fraction form
    3,163.74/4,369.11 = 2,695.26/x
  3. Step 3: Cross multiply
    3,163.74x = 4,369.11 × 2,695.26
  4. Step 4: Simplify right side
    3,163.74x = 11,775,887.42
  5. Step 5: Solve for x
    x = 11,775,887.42/3,163.74
  6. Step 6: Final answer
    x = 3,722.14

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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.