Home / 5,191.69-7,164.46-2,833.79

Finding the Fourth Proportional to 5,191.69, 7,164.46 and 2,833.79

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Solution

The fourth proportional to 5,191.69, 7,164.46 and 2,833.79 is: 3,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.69 : 7,164.46 = 2,833.79 : x
  2. Step 2: Convert to fraction form
    5,191.69/7,164.46 = 2,833.79/x
  3. Step 3: Cross multiply
    5,191.69x = 7,164.46 × 2,833.79
  4. Step 4: Simplify right side
    5,191.69x = 20,302,575.10
  5. Step 5: Solve for x
    x = 20,302,575.10/5,191.69
  6. Step 6: Final answer
    x = 3,910.59

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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.