Home / 3,255.11-4,491.74-1,838.42

Finding the Fourth Proportional to 3,255.11, 4,491.74 and 1,838.42

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Solution

The fourth proportional to 3,255.11, 4,491.74 and 1,838.42 is: 2,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.11 : 4,491.74 = 1,838.42 : x
  2. Step 2: Convert to fraction form
    3,255.11/4,491.74 = 1,838.42/x
  3. Step 3: Cross multiply
    3,255.11x = 4,491.74 × 1,838.42
  4. Step 4: Simplify right side
    3,255.11x = 8,257,686.79
  5. Step 5: Solve for x
    x = 8,257,686.79/3,255.11
  6. Step 6: Final answer
    x = 2,536.84

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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.