Home / 3,644.22-5,029.07-2,072.31

Finding the Fourth Proportional to 3,644.22, 5,029.07 and 2,072.31

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Solution

The fourth proportional to 3,644.22, 5,029.07 and 2,072.31 is: 2,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.22 : 5,029.07 = 2,072.31 : x
  2. Step 2: Convert to fraction form
    3,644.22/5,029.07 = 2,072.31/x
  3. Step 3: Cross multiply
    3,644.22x = 5,029.07 × 2,072.31
  4. Step 4: Simplify right side
    3,644.22x = 10,421,792.05
  5. Step 5: Solve for x
    x = 10,421,792.05/3,644.22
  6. Step 6: Final answer
    x = 2,859.81

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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.