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Finding the Fourth Proportional to 3,859.24, 5,789.58 and 1,262.92

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Solution

The fourth proportional to 3,859.24, 5,789.58 and 1,262.92 is: 1,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.24 : 5,789.58 = 1,262.92 : x
  2. Step 2: Convert to fraction form
    3,859.24/5,789.58 = 1,262.92/x
  3. Step 3: Cross multiply
    3,859.24x = 5,789.58 × 1,262.92
  4. Step 4: Simplify right side
    3,859.24x = 7,311,776.37
  5. Step 5: Solve for x
    x = 7,311,776.37/3,859.24
  6. Step 6: Final answer
    x = 1,894.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.