Home / 4,118.67-6,178.62-1,197.21

Finding the Fourth Proportional to 4,118.67, 6,178.62 and 1,197.21

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Solution

The fourth proportional to 4,118.67, 6,178.62 and 1,197.21 is: 1,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.67 : 6,178.62 = 1,197.21 : x
  2. Step 2: Convert to fraction form
    4,118.67/6,178.62 = 1,197.21/x
  3. Step 3: Cross multiply
    4,118.67x = 6,178.62 × 1,197.21
  4. Step 4: Simplify right side
    4,118.67x = 7,397,105.65
  5. Step 5: Solve for x
    x = 7,397,105.65/4,118.67
  6. Step 6: Final answer
    x = 1,795.99

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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.