Home / 4,109.92-6,164.40-1,644.64

Finding the Fourth Proportional to 4,109.92, 6,164.40 and 1,644.64

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Solution

The fourth proportional to 4,109.92, 6,164.40 and 1,644.64 is: 2,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.92 : 6,164.40 = 1,644.64 : x
  2. Step 2: Convert to fraction form
    4,109.92/6,164.40 = 1,644.64/x
  3. Step 3: Cross multiply
    4,109.92x = 6,164.40 × 1,644.64
  4. Step 4: Simplify right side
    4,109.92x = 10,138,218.82
  5. Step 5: Solve for x
    x = 10,138,218.82/4,109.92
  6. Step 6: Final answer
    x = 2,466.77

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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.