Home / 5,270.46-7,273.14-2,912.76

Finding the Fourth Proportional to 5,270.46, 7,273.14 and 2,912.76

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Solution

The fourth proportional to 5,270.46, 7,273.14 and 2,912.76 is: 4,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.46 : 7,273.14 = 2,912.76 : x
  2. Step 2: Convert to fraction form
    5,270.46/7,273.14 = 2,912.76/x
  3. Step 3: Cross multiply
    5,270.46x = 7,273.14 × 2,912.76
  4. Step 4: Simplify right side
    5,270.46x = 21,184,911.27
  5. Step 5: Solve for x
    x = 21,184,911.27/5,270.46
  6. Step 6: Final answer
    x = 4,019.56

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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.