Home / 7,270.28-10,912.22-3,575.15

Finding the Fourth Proportional to 7,270.28, 10,912.22 and 3,575.15

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Solution

The fourth proportional to 7,270.28, 10,912.22 and 3,575.15 is: 5,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.28 : 10,912.22 = 3,575.15 : x
  2. Step 2: Convert to fraction form
    7,270.28/10,912.22 = 3,575.15/x
  3. Step 3: Cross multiply
    7,270.28x = 10,912.22 × 3,575.15
  4. Step 4: Simplify right side
    7,270.28x = 39,012,750.90
  5. Step 5: Solve for x
    x = 39,012,750.90/7,270.28
  6. Step 6: Final answer
    x = 5,366.06

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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.