Home / 5,198.05-7,171.27-3,205.14

Finding the Fourth Proportional to 5,198.05, 7,171.27 and 3,205.14

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Solution

The fourth proportional to 5,198.05, 7,171.27 and 3,205.14 is: 4,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.05 : 7,171.27 = 3,205.14 : x
  2. Step 2: Convert to fraction form
    5,198.05/7,171.27 = 3,205.14/x
  3. Step 3: Cross multiply
    5,198.05x = 7,171.27 × 3,205.14
  4. Step 4: Simplify right side
    5,198.05x = 22,984,955.23
  5. Step 5: Solve for x
    x = 22,984,955.23/5,198.05
  6. Step 6: Final answer
    x = 4,421.84

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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.