Home / 5,270.17-7,272.69-2,912.26

Finding the Fourth Proportional to 5,270.17, 7,272.69 and 2,912.26

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Solution

The fourth proportional to 5,270.17, 7,272.69 and 2,912.26 is: 4,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.17 : 7,272.69 = 2,912.26 : x
  2. Step 2: Convert to fraction form
    5,270.17/7,272.69 = 2,912.26/x
  3. Step 3: Cross multiply
    5,270.17x = 7,272.69 × 2,912.26
  4. Step 4: Simplify right side
    5,270.17x = 21,179,964.18
  5. Step 5: Solve for x
    x = 21,179,964.18/5,270.17
  6. Step 6: Final answer
    x = 4,018.84

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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.