Home / 5,191.46-7,164.36-2,833.64

Finding the Fourth Proportional to 5,191.46, 7,164.36 and 2,833.64

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Solution

The fourth proportional to 5,191.46, 7,164.36 and 2,833.64 is: 3,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.46 : 7,164.36 = 2,833.64 : x
  2. Step 2: Convert to fraction form
    5,191.46/7,164.36 = 2,833.64/x
  3. Step 3: Cross multiply
    5,191.46x = 7,164.36 × 2,833.64
  4. Step 4: Simplify right side
    5,191.46x = 20,301,217.07
  5. Step 5: Solve for x
    x = 20,301,217.07/5,191.46
  6. Step 6: Final answer
    x = 3,910.50

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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.