Home / 5,272.30-7,275.54-2,882.22

Finding the Fourth Proportional to 5,272.30, 7,275.54 and 2,882.22

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Solution

The fourth proportional to 5,272.30, 7,275.54 and 2,882.22 is: 3,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.30 : 7,275.54 = 2,882.22 : x
  2. Step 2: Convert to fraction form
    5,272.30/7,275.54 = 2,882.22/x
  3. Step 3: Cross multiply
    5,272.30x = 7,275.54 × 2,882.22
  4. Step 4: Simplify right side
    5,272.30x = 20,969,744.99
  5. Step 5: Solve for x
    x = 20,969,744.99/5,272.30
  6. Step 6: Final answer
    x = 3,977.34

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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.