Home / 4,331.22-6,494.49-2,109.30

Finding the Fourth Proportional to 4,331.22, 6,494.49 and 2,109.30

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Solution

The fourth proportional to 4,331.22, 6,494.49 and 2,109.30 is: 3,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.22 : 6,494.49 = 2,109.30 : x
  2. Step 2: Convert to fraction form
    4,331.22/6,494.49 = 2,109.30/x
  3. Step 3: Cross multiply
    4,331.22x = 6,494.49 × 2,109.30
  4. Step 4: Simplify right side
    4,331.22x = 13,698,827.76
  5. Step 5: Solve for x
    x = 13,698,827.76/4,331.22
  6. Step 6: Final answer
    x = 3,162.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.