Home / 5,237.25-7,227.21-2,847.12

Finding the Fourth Proportional to 5,237.25, 7,227.21 and 2,847.12

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Solution

The fourth proportional to 5,237.25, 7,227.21 and 2,847.12 is: 3,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.25 : 7,227.21 = 2,847.12 : x
  2. Step 2: Convert to fraction form
    5,237.25/7,227.21 = 2,847.12/x
  3. Step 3: Cross multiply
    5,237.25x = 7,227.21 × 2,847.12
  4. Step 4: Simplify right side
    5,237.25x = 20,576,734.14
  5. Step 5: Solve for x
    x = 20,576,734.14/5,237.25
  6. Step 6: Final answer
    x = 3,928.92

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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.