Home / 3,167.45-4,371.61-2,048.64

Finding the Fourth Proportional to 3,167.45, 4,371.61 and 2,048.64

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Solution

The fourth proportional to 3,167.45, 4,371.61 and 2,048.64 is: 2,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.45 : 4,371.61 = 2,048.64 : x
  2. Step 2: Convert to fraction form
    3,167.45/4,371.61 = 2,048.64/x
  3. Step 3: Cross multiply
    3,167.45x = 4,371.61 × 2,048.64
  4. Step 4: Simplify right side
    3,167.45x = 8,955,855.11
  5. Step 5: Solve for x
    x = 8,955,855.11/3,167.45
  6. Step 6: Final answer
    x = 2,827.47

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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.