Home / 5,191.64-7,164.44-2,833.78

Finding the Fourth Proportional to 5,191.64, 7,164.44 and 2,833.78

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Solution

The fourth proportional to 5,191.64, 7,164.44 and 2,833.78 is: 3,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.64 : 7,164.44 = 2,833.78 : x
  2. Step 2: Convert to fraction form
    5,191.64/7,164.44 = 2,833.78/x
  3. Step 3: Cross multiply
    5,191.64x = 7,164.44 × 2,833.78
  4. Step 4: Simplify right side
    5,191.64x = 20,302,446.78
  5. Step 5: Solve for x
    x = 20,302,446.78/5,191.64
  6. Step 6: Final answer
    x = 3,910.60

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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.