Home / 3,383.20-4,669.60-2,202.22

Finding the Fourth Proportional to 3,383.20, 4,669.60 and 2,202.22

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Solution

The fourth proportional to 3,383.20, 4,669.60 and 2,202.22 is: 3,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.20 : 4,669.60 = 2,202.22 : x
  2. Step 2: Convert to fraction form
    3,383.20/4,669.60 = 2,202.22/x
  3. Step 3: Cross multiply
    3,383.20x = 4,669.60 × 2,202.22
  4. Step 4: Simplify right side
    3,383.20x = 10,283,486.51
  5. Step 5: Solve for x
    x = 10,283,486.51/3,383.20
  6. Step 6: Final answer
    x = 3,039.57

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Double scale
Find fourth proportional to 3,384.20, 4,670.98 and 2,203.22
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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.