Home / 3,576.03-4,935.78-2,819.36

Finding the Fourth Proportional to 3,576.03, 4,935.78 and 2,819.36

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Solution

The fourth proportional to 3,576.03, 4,935.78 and 2,819.36 is: 3,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.03 : 4,935.78 = 2,819.36 : x
  2. Step 2: Convert to fraction form
    3,576.03/4,935.78 = 2,819.36/x
  3. Step 3: Cross multiply
    3,576.03x = 4,935.78 × 2,819.36
  4. Step 4: Simplify right side
    3,576.03x = 13,915,716.02
  5. Step 5: Solve for x
    x = 13,915,716.02/3,576.03
  6. Step 6: Final answer
    x = 3,891.39

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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.