Home / 3,588.62-5,391.39-2,111.63

Finding the Fourth Proportional to 3,588.62, 5,391.39 and 2,111.63

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Solution

The fourth proportional to 3,588.62, 5,391.39 and 2,111.63 is: 3,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.62 : 5,391.39 = 2,111.63 : x
  2. Step 2: Convert to fraction form
    3,588.62/5,391.39 = 2,111.63/x
  3. Step 3: Cross multiply
    3,588.62x = 5,391.39 × 2,111.63
  4. Step 4: Simplify right side
    3,588.62x = 11,384,634.34
  5. Step 5: Solve for x
    x = 11,384,634.34/3,588.62
  6. Step 6: Final answer
    x = 3,172.42

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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.