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Finding the Fourth Proportional to 2,882.84, 3,974.07 and 2,040.93

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Solution

The fourth proportional to 2,882.84, 3,974.07 and 2,040.93 is: 2,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.84 : 3,974.07 = 2,040.93 : x
  2. Step 2: Convert to fraction form
    2,882.84/3,974.07 = 2,040.93/x
  3. Step 3: Cross multiply
    2,882.84x = 3,974.07 × 2,040.93
  4. Step 4: Simplify right side
    2,882.84x = 8,110,798.69
  5. Step 5: Solve for x
    x = 8,110,798.69/2,882.84
  6. Step 6: Final answer
    x = 2,813.48

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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.