Home / 3,222.81-4,445.12-2,026.64

Finding the Fourth Proportional to 3,222.81, 4,445.12 and 2,026.64

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Solution

The fourth proportional to 3,222.81, 4,445.12 and 2,026.64 is: 2,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.81 : 4,445.12 = 2,026.64 : x
  2. Step 2: Convert to fraction form
    3,222.81/4,445.12 = 2,026.64/x
  3. Step 3: Cross multiply
    3,222.81x = 4,445.12 × 2,026.64
  4. Step 4: Simplify right side
    3,222.81x = 9,008,625.64
  5. Step 5: Solve for x
    x = 9,008,625.64/3,222.81
  6. Step 6: Final answer
    x = 2,795.27

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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.