Home / 5,240.04-7,231.30-2,882.18

Finding the Fourth Proportional to 5,240.04, 7,231.30 and 2,882.18

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Solution

The fourth proportional to 5,240.04, 7,231.30 and 2,882.18 is: 3,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.04 : 7,231.30 = 2,882.18 : x
  2. Step 2: Convert to fraction form
    5,240.04/7,231.30 = 2,882.18/x
  3. Step 3: Cross multiply
    5,240.04x = 7,231.30 × 2,882.18
  4. Step 4: Simplify right side
    5,240.04x = 20,841,908.23
  5. Step 5: Solve for x
    x = 20,841,908.23/5,240.04
  6. Step 6: Final answer
    x = 3,977.43

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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.