Home / 5,270.01-7,272.62-2,912.16

Finding the Fourth Proportional to 5,270.01, 7,272.62 and 2,912.16

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Solution

The fourth proportional to 5,270.01, 7,272.62 and 2,912.16 is: 4,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.01 : 7,272.62 = 2,912.16 : x
  2. Step 2: Convert to fraction form
    5,270.01/7,272.62 = 2,912.16/x
  3. Step 3: Cross multiply
    5,270.01x = 7,272.62 × 2,912.16
  4. Step 4: Simplify right side
    5,270.01x = 21,179,033.06
  5. Step 5: Solve for x
    x = 21,179,033.06/5,270.01
  6. Step 6: Final answer
    x = 4,018.78

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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.