Home / 5,243.68-7,236.27-2,885.97

Finding the Fourth Proportional to 5,243.68, 7,236.27 and 2,885.97

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Solution

The fourth proportional to 5,243.68, 7,236.27 and 2,885.97 is: 3,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.68 : 7,236.27 = 2,885.97 : x
  2. Step 2: Convert to fraction form
    5,243.68/7,236.27 = 2,885.97/x
  3. Step 3: Cross multiply
    5,243.68x = 7,236.27 × 2,885.97
  4. Step 4: Simplify right side
    5,243.68x = 20,883,658.13
  5. Step 5: Solve for x
    x = 20,883,658.13/5,243.68
  6. Step 6: Final answer
    x = 3,982.64

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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.