Home / 3,337.86-4,608.09-2,220.33

Finding the Fourth Proportional to 3,337.86, 4,608.09 and 2,220.33

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Solution

The fourth proportional to 3,337.86, 4,608.09 and 2,220.33 is: 3,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.86 : 4,608.09 = 2,220.33 : x
  2. Step 2: Convert to fraction form
    3,337.86/4,608.09 = 2,220.33/x
  3. Step 3: Cross multiply
    3,337.86x = 4,608.09 × 2,220.33
  4. Step 4: Simplify right side
    3,337.86x = 10,231,480.47
  5. Step 5: Solve for x
    x = 10,231,480.47/3,337.86
  6. Step 6: Final answer
    x = 3,065.28

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Half scale
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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.