Home / 2,164.05-3,249.72-2,147.04

Finding the Fourth Proportional to 2,164.05, 3,249.72 and 2,147.04

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Solution

The fourth proportional to 2,164.05, 3,249.72 and 2,147.04 is: 3,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.05 : 3,249.72 = 2,147.04 : x
  2. Step 2: Convert to fraction form
    2,164.05/3,249.72 = 2,147.04/x
  3. Step 3: Cross multiply
    2,164.05x = 3,249.72 × 2,147.04
  4. Step 4: Simplify right side
    2,164.05x = 6,977,251.85
  5. Step 5: Solve for x
    x = 6,977,251.85/2,164.05
  6. Step 6: Final answer
    x = 3,224.17

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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.