Home / 5,240.00-7,231.14-2,882.09

Finding the Fourth Proportional to 5,240.00, 7,231.14 and 2,882.09

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Solution

The fourth proportional to 5,240.00, 7,231.14 and 2,882.09 is: 3,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.00 : 7,231.14 = 2,882.09 : x
  2. Step 2: Convert to fraction form
    5,240.00/7,231.14 = 2,882.09/x
  3. Step 3: Cross multiply
    5,240.00x = 7,231.14 × 2,882.09
  4. Step 4: Simplify right side
    5,240.00x = 20,840,814.36
  5. Step 5: Solve for x
    x = 20,840,814.36/5,240.00
  6. Step 6: Final answer
    x = 3,977.25

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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.