Home / 7,520.28-11,282.24-2,255.28

Finding the Fourth Proportional to 7,520.28, 11,282.24 and 2,255.28

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Solution

The fourth proportional to 7,520.28, 11,282.24 and 2,255.28 is: 3,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.28 : 11,282.24 = 2,255.28 : x
  2. Step 2: Convert to fraction form
    7,520.28/11,282.24 = 2,255.28/x
  3. Step 3: Cross multiply
    7,520.28x = 11,282.24 × 2,255.28
  4. Step 4: Simplify right side
    7,520.28x = 25,444,610.23
  5. Step 5: Solve for x
    x = 25,444,610.23/7,520.28
  6. Step 6: Final answer
    x = 3,383.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.