Home / 5,270.73-7,906.05-1,375.14

Finding the Fourth Proportional to 5,270.73, 7,906.05 and 1,375.14

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Solution

The fourth proportional to 5,270.73, 7,906.05 and 1,375.14 is: 2,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.73 : 7,906.05 = 1,375.14 : x
  2. Step 2: Convert to fraction form
    5,270.73/7,906.05 = 1,375.14/x
  3. Step 3: Cross multiply
    5,270.73x = 7,906.05 × 1,375.14
  4. Step 4: Simplify right side
    5,270.73x = 10,871,925.60
  5. Step 5: Solve for x
    x = 10,871,925.60/5,270.73
  6. Step 6: Final answer
    x = 2,062.70

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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.