Home / 2,405.18-3,607.41-1,996.94

Finding the Fourth Proportional to 2,405.18, 3,607.41 and 1,996.94

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Solution

The fourth proportional to 2,405.18, 3,607.41 and 1,996.94 is: 2,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.18 : 3,607.41 = 1,996.94 : x
  2. Step 2: Convert to fraction form
    2,405.18/3,607.41 = 1,996.94/x
  3. Step 3: Cross multiply
    2,405.18x = 3,607.41 × 1,996.94
  4. Step 4: Simplify right side
    2,405.18x = 7,203,781.33
  5. Step 5: Solve for x
    x = 7,203,781.33/2,405.18
  6. Step 6: Final answer
    x = 2,995.11

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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.