Home / 5,198.82-7,798.15-1,303.26

Finding the Fourth Proportional to 5,198.82, 7,798.15 and 1,303.26

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Solution

The fourth proportional to 5,198.82, 7,798.15 and 1,303.26 is: 1,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.82 : 7,798.15 = 1,303.26 : x
  2. Step 2: Convert to fraction form
    5,198.82/7,798.15 = 1,303.26/x
  3. Step 3: Cross multiply
    5,198.82x = 7,798.15 × 1,303.26
  4. Step 4: Simplify right side
    5,198.82x = 10,163,016.97
  5. Step 5: Solve for x
    x = 10,163,016.97/5,198.82
  6. Step 6: Final answer
    x = 1,954.87

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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.