Home / 3,239.09-4,857.61-2,149.25

Finding the Fourth Proportional to 3,239.09, 4,857.61 and 2,149.25

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Solution

The fourth proportional to 3,239.09, 4,857.61 and 2,149.25 is: 3,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.09 : 4,857.61 = 2,149.25 : x
  2. Step 2: Convert to fraction form
    3,239.09/4,857.61 = 2,149.25/x
  3. Step 3: Cross multiply
    3,239.09x = 4,857.61 × 2,149.25
  4. Step 4: Simplify right side
    3,239.09x = 10,440,218.29
  5. Step 5: Solve for x
    x = 10,440,218.29/3,239.09
  6. Step 6: Final answer
    x = 3,223.19

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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.