Home / 3,224.22-4,836.33-2,128.33

Finding the Fourth Proportional to 3,224.22, 4,836.33 and 2,128.33

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Solution

The fourth proportional to 3,224.22, 4,836.33 and 2,128.33 is: 3,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.22 : 4,836.33 = 2,128.33 : x
  2. Step 2: Convert to fraction form
    3,224.22/4,836.33 = 2,128.33/x
  3. Step 3: Cross multiply
    3,224.22x = 4,836.33 × 2,128.33
  4. Step 4: Simplify right side
    3,224.22x = 10,293,271.41
  5. Step 5: Solve for x
    x = 10,293,271.41/3,224.22
  6. Step 6: Final answer
    x = 3,192.49

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Half scale
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Double scale
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Similar ratio
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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.