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Finding the Fourth Proportional to 2,836.62, 3,900.62 and 2,462.92

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Solution

The fourth proportional to 2,836.62, 3,900.62 and 2,462.92 is: 3,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.62 : 3,900.62 = 2,462.92 : x
  2. Step 2: Convert to fraction form
    2,836.62/3,900.62 = 2,462.92/x
  3. Step 3: Cross multiply
    2,836.62x = 3,900.62 × 2,462.92
  4. Step 4: Simplify right side
    2,836.62x = 9,606,911.42
  5. Step 5: Solve for x
    x = 9,606,911.42/2,836.62
  6. Step 6: Final answer
    x = 3,386.75

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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.