Home / 3,282.15-4,921.58-1,090.11

Finding the Fourth Proportional to 3,282.15, 4,921.58 and 1,090.11

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Solution

The fourth proportional to 3,282.15, 4,921.58 and 1,090.11 is: 1,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.15 : 4,921.58 = 1,090.11 : x
  2. Step 2: Convert to fraction form
    3,282.15/4,921.58 = 1,090.11/x
  3. Step 3: Cross multiply
    3,282.15x = 4,921.58 × 1,090.11
  4. Step 4: Simplify right side
    3,282.15x = 5,365,033.52
  5. Step 5: Solve for x
    x = 5,365,033.52/3,282.15
  6. Step 6: Final answer
    x = 1,634.61

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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.