Home / 2,740.22-4,109.72-1,644.90

Finding the Fourth Proportional to 2,740.22, 4,109.72 and 1,644.90

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Solution

The fourth proportional to 2,740.22, 4,109.72 and 1,644.90 is: 2,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.22 : 4,109.72 = 1,644.90 : x
  2. Step 2: Convert to fraction form
    2,740.22/4,109.72 = 1,644.90/x
  3. Step 3: Cross multiply
    2,740.22x = 4,109.72 × 1,644.90
  4. Step 4: Simplify right side
    2,740.22x = 6,760,057.88
  5. Step 5: Solve for x
    x = 6,760,057.88/2,740.22
  6. Step 6: Final answer
    x = 2,466.98

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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.