Home / 4,467.86-6,167.63-3,128.74

Finding the Fourth Proportional to 4,467.86, 6,167.63 and 3,128.74

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Solution

The fourth proportional to 4,467.86, 6,167.63 and 3,128.74 is: 4,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.86 : 6,167.63 = 3,128.74 : x
  2. Step 2: Convert to fraction form
    4,467.86/6,167.63 = 3,128.74/x
  3. Step 3: Cross multiply
    4,467.86x = 6,167.63 × 3,128.74
  4. Step 4: Simplify right side
    4,467.86x = 19,296,910.69
  5. Step 5: Solve for x
    x = 19,296,910.69/4,467.86
  6. Step 6: Final answer
    x = 4,319.05

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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.