Home / 5,121.01-7,066.59-2,882.44

Finding the Fourth Proportional to 5,121.01, 7,066.59 and 2,882.44

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Solution

The fourth proportional to 5,121.01, 7,066.59 and 2,882.44 is: 3,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.01 : 7,066.59 = 2,882.44 : x
  2. Step 2: Convert to fraction form
    5,121.01/7,066.59 = 2,882.44/x
  3. Step 3: Cross multiply
    5,121.01x = 7,066.59 × 2,882.44
  4. Step 4: Simplify right side
    5,121.01x = 20,369,021.68
  5. Step 5: Solve for x
    x = 20,369,021.68/5,121.01
  6. Step 6: Final answer
    x = 3,977.54

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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.