Home / 3,489.58-5,231.13-3,296.26

Finding the Fourth Proportional to 3,489.58, 5,231.13 and 3,296.26

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Solution

The fourth proportional to 3,489.58, 5,231.13 and 3,296.26 is: 4,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.58 : 5,231.13 = 3,296.26 : x
  2. Step 2: Convert to fraction form
    3,489.58/5,231.13 = 3,296.26/x
  3. Step 3: Cross multiply
    3,489.58x = 5,231.13 × 3,296.26
  4. Step 4: Simplify right side
    3,489.58x = 17,243,164.57
  5. Step 5: Solve for x
    x = 17,243,164.57/3,489.58
  6. Step 6: Final answer
    x = 4,941.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.