Home / 3,836.52-5,296.66-3,615.09

Finding the Fourth Proportional to 3,836.52, 5,296.66 and 3,615.09

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Solution

The fourth proportional to 3,836.52, 5,296.66 and 3,615.09 is: 4,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.52 : 5,296.66 = 3,615.09 : x
  2. Step 2: Convert to fraction form
    3,836.52/5,296.66 = 3,615.09/x
  3. Step 3: Cross multiply
    3,836.52x = 5,296.66 × 3,615.09
  4. Step 4: Simplify right side
    3,836.52x = 19,147,893.56
  5. Step 5: Solve for x
    x = 19,147,893.56/3,836.52
  6. Step 6: Final answer
    x = 4,990.95

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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.