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Finding the Fourth Proportional to 3,697.54, 5,108.01 and 3,199.32

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Solution

The fourth proportional to 3,697.54, 5,108.01 and 3,199.32 is: 4,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.54 : 5,108.01 = 3,199.32 : x
  2. Step 2: Convert to fraction form
    3,697.54/5,108.01 = 3,199.32/x
  3. Step 3: Cross multiply
    3,697.54x = 5,108.01 × 3,199.32
  4. Step 4: Simplify right side
    3,697.54x = 16,342,123.40
  5. Step 5: Solve for x
    x = 16,342,123.40/3,697.54
  6. Step 6: Final answer
    x = 4,419.73

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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.