Home / 4,899.76-6,761.26-2,882.85

Finding the Fourth Proportional to 4,899.76, 6,761.26 and 2,882.85

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Solution

The fourth proportional to 4,899.76, 6,761.26 and 2,882.85 is: 3,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.76 : 6,761.26 = 2,882.85 : x
  2. Step 2: Convert to fraction form
    4,899.76/6,761.26 = 2,882.85/x
  3. Step 3: Cross multiply
    4,899.76x = 6,761.26 × 2,882.85
  4. Step 4: Simplify right side
    4,899.76x = 19,491,690.39
  5. Step 5: Solve for x
    x = 19,491,690.39/4,899.76
  6. Step 6: Final answer
    x = 3,978.09

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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.