Home / 3,882.34-5,357.98-2,203.82

Finding the Fourth Proportional to 3,882.34, 5,357.98 and 2,203.82

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Solution

The fourth proportional to 3,882.34, 5,357.98 and 2,203.82 is: 3,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.34 : 5,357.98 = 2,203.82 : x
  2. Step 2: Convert to fraction form
    3,882.34/5,357.98 = 2,203.82/x
  3. Step 3: Cross multiply
    3,882.34x = 5,357.98 × 2,203.82
  4. Step 4: Simplify right side
    3,882.34x = 11,808,023.48
  5. Step 5: Solve for x
    x = 11,808,023.48/3,882.34
  6. Step 6: Final answer
    x = 3,041.47

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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.