Home / 4,467.61-6,167.28-3,128.49

Finding the Fourth Proportional to 4,467.61, 6,167.28 and 3,128.49

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Solution

The fourth proportional to 4,467.61, 6,167.28 and 3,128.49 is: 4,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.61 : 6,167.28 = 3,128.49 : x
  2. Step 2: Convert to fraction form
    4,467.61/6,167.28 = 3,128.49/x
  3. Step 3: Cross multiply
    4,467.61x = 6,167.28 × 3,128.49
  4. Step 4: Simplify right side
    4,467.61x = 19,294,285.54
  5. Step 5: Solve for x
    x = 19,294,285.54/4,467.61
  6. Step 6: Final answer
    x = 4,318.70

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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.