Home / 7,198.26-9,933.78-4,055.20

Finding the Fourth Proportional to 7,198.26, 9,933.78 and 4,055.20

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Solution

The fourth proportional to 7,198.26, 9,933.78 and 4,055.20 is: 5,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.26 : 9,933.78 = 4,055.20 : x
  2. Step 2: Convert to fraction form
    7,198.26/9,933.78 = 4,055.20/x
  3. Step 3: Cross multiply
    7,198.26x = 9,933.78 × 4,055.20
  4. Step 4: Simplify right side
    7,198.26x = 40,283,464.66
  5. Step 5: Solve for x
    x = 40,283,464.66/7,198.26
  6. Step 6: Final answer
    x = 5,596.28

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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.