Home / 4,515.28-6,229.26-2,836.12

Finding the Fourth Proportional to 4,515.28, 6,229.26 and 2,836.12

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Solution

The fourth proportional to 4,515.28, 6,229.26 and 2,836.12 is: 3,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.28 : 6,229.26 = 2,836.12 : x
  2. Step 2: Convert to fraction form
    4,515.28/6,229.26 = 2,836.12/x
  3. Step 3: Cross multiply
    4,515.28x = 6,229.26 × 2,836.12
  4. Step 4: Simplify right side
    4,515.28x = 17,666,928.87
  5. Step 5: Solve for x
    x = 17,666,928.87/4,515.28
  6. Step 6: Final answer
    x = 3,912.70

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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.