Home / 5,482.62-8,228.16-2,197.80

Finding the Fourth Proportional to 5,482.62, 8,228.16 and 2,197.80

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Solution

The fourth proportional to 5,482.62, 8,228.16 and 2,197.80 is: 3,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.62 : 8,228.16 = 2,197.80 : x
  2. Step 2: Convert to fraction form
    5,482.62/8,228.16 = 2,197.80/x
  3. Step 3: Cross multiply
    5,482.62x = 8,228.16 × 2,197.80
  4. Step 4: Simplify right side
    5,482.62x = 18,083,850.05
  5. Step 5: Solve for x
    x = 18,083,850.05/5,482.62
  6. Step 6: Final answer
    x = 3,298.40

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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.