Home / 5,194.86-7,168.59-2,836.86

Finding the Fourth Proportional to 5,194.86, 7,168.59 and 2,836.86

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Solution

The fourth proportional to 5,194.86, 7,168.59 and 2,836.86 is: 3,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.86 : 7,168.59 = 2,836.86 : x
  2. Step 2: Convert to fraction form
    5,194.86/7,168.59 = 2,836.86/x
  3. Step 3: Cross multiply
    5,194.86x = 7,168.59 × 2,836.86
  4. Step 4: Simplify right side
    5,194.86x = 20,336,286.23
  5. Step 5: Solve for x
    x = 20,336,286.23/5,194.86
  6. Step 6: Final answer
    x = 3,914.69

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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.