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Finding the Fourth Proportional to 3,198.99, 4,798.41 and 1,007.73

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Solution

The fourth proportional to 3,198.99, 4,798.41 and 1,007.73 is: 1,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.99 : 4,798.41 = 1,007.73 : x
  2. Step 2: Convert to fraction form
    3,198.99/4,798.41 = 1,007.73/x
  3. Step 3: Cross multiply
    3,198.99x = 4,798.41 × 1,007.73
  4. Step 4: Simplify right side
    3,198.99x = 4,835,501.71
  5. Step 5: Solve for x
    x = 4,835,501.71/3,198.99
  6. Step 6: Final answer
    x = 1,511.57

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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.