Home / 4,120.62-6,181.32-1,198.14

Finding the Fourth Proportional to 4,120.62, 6,181.32 and 1,198.14

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Solution

The fourth proportional to 4,120.62, 6,181.32 and 1,198.14 is: 1,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.62 : 6,181.32 = 1,198.14 : x
  2. Step 2: Convert to fraction form
    4,120.62/6,181.32 = 1,198.14/x
  3. Step 3: Cross multiply
    4,120.62x = 6,181.32 × 1,198.14
  4. Step 4: Simplify right side
    4,120.62x = 7,406,086.74
  5. Step 5: Solve for x
    x = 7,406,086.74/4,120.62
  6. Step 6: Final answer
    x = 1,797.32

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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.