Home / 5,243.94-7,236.99-2,886.48

Finding the Fourth Proportional to 5,243.94, 7,236.99 and 2,886.48

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Solution

The fourth proportional to 5,243.94, 7,236.99 and 2,886.48 is: 3,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.94 : 7,236.99 = 2,886.48 : x
  2. Step 2: Convert to fraction form
    5,243.94/7,236.99 = 2,886.48/x
  3. Step 3: Cross multiply
    5,243.94x = 7,236.99 × 2,886.48
  4. Step 4: Simplify right side
    5,243.94x = 20,889,426.90
  5. Step 5: Solve for x
    x = 20,889,426.90/5,243.94
  6. Step 6: Final answer
    x = 3,983.54

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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.