Home / 3,396.52-5,065.61-3,338.20

Finding the Fourth Proportional to 3,396.52, 5,065.61 and 3,338.20

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Solution

The fourth proportional to 3,396.52, 5,065.61 and 3,338.20 is: 4,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.52 : 5,065.61 = 3,338.20 : x
  2. Step 2: Convert to fraction form
    3,396.52/5,065.61 = 3,338.20/x
  3. Step 3: Cross multiply
    3,396.52x = 5,065.61 × 3,338.20
  4. Step 4: Simplify right side
    3,396.52x = 16,910,019.30
  5. Step 5: Solve for x
    x = 16,910,019.30/3,396.52
  6. Step 6: Final answer
    x = 4,978.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.