Home / 4,284.44-5,912.21-2,515.80

Finding the Fourth Proportional to 4,284.44, 5,912.21 and 2,515.80

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Solution

The fourth proportional to 4,284.44, 5,912.21 and 2,515.80 is: 3,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.44 : 5,912.21 = 2,515.80 : x
  2. Step 2: Convert to fraction form
    4,284.44/5,912.21 = 2,515.80/x
  3. Step 3: Cross multiply
    4,284.44x = 5,912.21 × 2,515.80
  4. Step 4: Simplify right side
    4,284.44x = 14,873,944.21
  5. Step 5: Solve for x
    x = 14,873,944.21/4,284.44
  6. Step 6: Final answer
    x = 3,471.62

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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.