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Finding the Fourth Proportional to 2,794.77, 3,856.89 and 1,599.95

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Solution

The fourth proportional to 2,794.77, 3,856.89 and 1,599.95 is: 2,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.77 : 3,856.89 = 1,599.95 : x
  2. Step 2: Convert to fraction form
    2,794.77/3,856.89 = 1,599.95/x
  3. Step 3: Cross multiply
    2,794.77x = 3,856.89 × 1,599.95
  4. Step 4: Simplify right side
    2,794.77x = 6,170,811.87
  5. Step 5: Solve for x
    x = 6,170,811.87/2,794.77
  6. Step 6: Final answer
    x = 2,207.99

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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.