Home / 3,118.50-4,676.38-1,169.34

Finding the Fourth Proportional to 3,118.50, 4,676.38 and 1,169.34

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Solution

The fourth proportional to 3,118.50, 4,676.38 and 1,169.34 is: 1,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.50 : 4,676.38 = 1,169.34 : x
  2. Step 2: Convert to fraction form
    3,118.50/4,676.38 = 1,169.34/x
  3. Step 3: Cross multiply
    3,118.50x = 4,676.38 × 1,169.34
  4. Step 4: Simplify right side
    3,118.50x = 5,468,272.34
  5. Step 5: Solve for x
    x = 5,468,272.34/3,118.50
  6. Step 6: Final answer
    x = 1,753.49

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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.