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Finding the Fourth Proportional to 3,806.01, 5,252.28 and 2,127.42

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Solution

The fourth proportional to 3,806.01, 5,252.28 and 2,127.42 is: 2,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.01 : 5,252.28 = 2,127.42 : x
  2. Step 2: Convert to fraction form
    3,806.01/5,252.28 = 2,127.42/x
  3. Step 3: Cross multiply
    3,806.01x = 5,252.28 × 2,127.42
  4. Step 4: Simplify right side
    3,806.01x = 11,173,794.88
  5. Step 5: Solve for x
    x = 11,173,794.88/3,806.01
  6. Step 6: Final answer
    x = 2,935.83

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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.