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Finding the Fourth Proportional to 3,296.37, 4,921.04 and 3,181.03

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Solution

The fourth proportional to 3,296.37, 4,921.04 and 3,181.03 is: 4,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.37 : 4,921.04 = 3,181.03 : x
  2. Step 2: Convert to fraction form
    3,296.37/4,921.04 = 3,181.03/x
  3. Step 3: Cross multiply
    3,296.37x = 4,921.04 × 3,181.03
  4. Step 4: Simplify right side
    3,296.37x = 15,653,975.87
  5. Step 5: Solve for x
    x = 15,653,975.87/3,296.37
  6. Step 6: Final answer
    x = 4,748.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.