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Finding the Fourth Proportional to 4,863.86, 6,712.16 and 2,767.99

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Solution

The fourth proportional to 4,863.86, 6,712.16 and 2,767.99 is: 3,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.86 : 6,712.16 = 2,767.99 : x
  2. Step 2: Convert to fraction form
    4,863.86/6,712.16 = 2,767.99/x
  3. Step 3: Cross multiply
    4,863.86x = 6,712.16 × 2,767.99
  4. Step 4: Simplify right side
    4,863.86x = 18,579,161.14
  5. Step 5: Solve for x
    x = 18,579,161.14/4,863.86
  6. Step 6: Final answer
    x = 3,819.84

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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.