Home / 4,936.09-7,399.91-2,160.62

Finding the Fourth Proportional to 4,936.09, 7,399.91 and 2,160.62

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Solution

The fourth proportional to 4,936.09, 7,399.91 and 2,160.62 is: 3,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.09 : 7,399.91 = 2,160.62 : x
  2. Step 2: Convert to fraction form
    4,936.09/7,399.91 = 2,160.62/x
  3. Step 3: Cross multiply
    4,936.09x = 7,399.91 × 2,160.62
  4. Step 4: Simplify right side
    4,936.09x = 15,988,419.17
  5. Step 5: Solve for x
    x = 15,988,419.17/4,936.09
  6. Step 6: Final answer
    x = 3,239.09

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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.