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Finding the Fourth Proportional to 4,777.66, 6,593.91 and 2,789.38

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Solution

The fourth proportional to 4,777.66, 6,593.91 and 2,789.38 is: 3,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.66 : 6,593.91 = 2,789.38 : x
  2. Step 2: Convert to fraction form
    4,777.66/6,593.91 = 2,789.38/x
  3. Step 3: Cross multiply
    4,777.66x = 6,593.91 × 2,789.38
  4. Step 4: Simplify right side
    4,777.66x = 18,392,887.71
  5. Step 5: Solve for x
    x = 18,392,887.71/4,777.66
  6. Step 6: Final answer
    x = 3,849.77

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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.