Home / 3,186.62-4,399.01-2,126.14

Finding the Fourth Proportional to 3,186.62, 4,399.01 and 2,126.14

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Solution

The fourth proportional to 3,186.62, 4,399.01 and 2,126.14 is: 2,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.62 : 4,399.01 = 2,126.14 : x
  2. Step 2: Convert to fraction form
    3,186.62/4,399.01 = 2,126.14/x
  3. Step 3: Cross multiply
    3,186.62x = 4,399.01 × 2,126.14
  4. Step 4: Simplify right side
    3,186.62x = 9,352,911.12
  5. Step 5: Solve for x
    x = 9,352,911.12/3,186.62
  6. Step 6: Final answer
    x = 2,935.06

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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.