Home / 3,201.24-4,417.56-1,803.96

Finding the Fourth Proportional to 3,201.24, 4,417.56 and 1,803.96

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Solution

The fourth proportional to 3,201.24, 4,417.56 and 1,803.96 is: 2,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.24 : 4,417.56 = 1,803.96 : x
  2. Step 2: Convert to fraction form
    3,201.24/4,417.56 = 1,803.96/x
  3. Step 3: Cross multiply
    3,201.24x = 4,417.56 × 1,803.96
  4. Step 4: Simplify right side
    3,201.24x = 7,969,101.54
  5. Step 5: Solve for x
    x = 7,969,101.54/3,201.24
  6. Step 6: Final answer
    x = 2,489.38

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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.