Home / 3,519.62-4,857.87-2,027.81

Finding the Fourth Proportional to 3,519.62, 4,857.87 and 2,027.81

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Solution

The fourth proportional to 3,519.62, 4,857.87 and 2,027.81 is: 2,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.62 : 4,857.87 = 2,027.81 : x
  2. Step 2: Convert to fraction form
    3,519.62/4,857.87 = 2,027.81/x
  3. Step 3: Cross multiply
    3,519.62x = 4,857.87 × 2,027.81
  4. Step 4: Simplify right side
    3,519.62x = 9,850,813.08
  5. Step 5: Solve for x
    x = 9,850,813.08/3,519.62
  6. Step 6: Final answer
    x = 2,798.83

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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.