Home / 5,240.02-7,231.37-2,882.23

Finding the Fourth Proportional to 5,240.02, 7,231.37 and 2,882.23

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Solution

The fourth proportional to 5,240.02, 7,231.37 and 2,882.23 is: 3,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.02 : 7,231.37 = 2,882.23 : x
  2. Step 2: Convert to fraction form
    5,240.02/7,231.37 = 2,882.23/x
  3. Step 3: Cross multiply
    5,240.02x = 7,231.37 × 2,882.23
  4. Step 4: Simplify right side
    5,240.02x = 20,842,471.56
  5. Step 5: Solve for x
    x = 20,842,471.56/5,240.02
  6. Step 6: Final answer
    x = 3,977.56

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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.