Home / 5,240.07-7,230.99-2,882.31

Finding the Fourth Proportional to 5,240.07, 7,230.99 and 2,882.31

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Solution

The fourth proportional to 5,240.07, 7,230.99 and 2,882.31 is: 3,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.07 : 7,230.99 = 2,882.31 : x
  2. Step 2: Convert to fraction form
    5,240.07/7,230.99 = 2,882.31/x
  3. Step 3: Cross multiply
    5,240.07x = 7,230.99 × 2,882.31
  4. Step 4: Simplify right side
    5,240.07x = 20,841,954.79
  5. Step 5: Solve for x
    x = 20,841,954.79/5,240.07
  6. Step 6: Final answer
    x = 3,977.42

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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.