Home / 3,909.26-5,392.59-2,336.42

Finding the Fourth Proportional to 3,909.26, 5,392.59 and 2,336.42

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Solution

The fourth proportional to 3,909.26, 5,392.59 and 2,336.42 is: 3,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.26 : 5,392.59 = 2,336.42 : x
  2. Step 2: Convert to fraction form
    3,909.26/5,392.59 = 2,336.42/x
  3. Step 3: Cross multiply
    3,909.26x = 5,392.59 × 2,336.42
  4. Step 4: Simplify right side
    3,909.26x = 12,599,355.13
  5. Step 5: Solve for x
    x = 12,599,355.13/3,909.26
  6. Step 6: Final answer
    x = 3,222.95

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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.