Home / 2,960.97-4,090.62-2,213.64

Finding the Fourth Proportional to 2,960.97, 4,090.62 and 2,213.64

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Solution

The fourth proportional to 2,960.97, 4,090.62 and 2,213.64 is: 3,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.97 : 4,090.62 = 2,213.64 : x
  2. Step 2: Convert to fraction form
    2,960.97/4,090.62 = 2,213.64/x
  3. Step 3: Cross multiply
    2,960.97x = 4,090.62 × 2,213.64
  4. Step 4: Simplify right side
    2,960.97x = 9,055,160.06
  5. Step 5: Solve for x
    x = 9,055,160.06/2,960.97
  6. Step 6: Final answer
    x = 3,058.17

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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.