Home / 3,985.38-5,971.59-2,343.42

Finding the Fourth Proportional to 3,985.38, 5,971.59 and 2,343.42

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Solution

The fourth proportional to 3,985.38, 5,971.59 and 2,343.42 is: 3,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.38 : 5,971.59 = 2,343.42 : x
  2. Step 2: Convert to fraction form
    3,985.38/5,971.59 = 2,343.42/x
  3. Step 3: Cross multiply
    3,985.38x = 5,971.59 × 2,343.42
  4. Step 4: Simplify right side
    3,985.38x = 13,993,943.44
  5. Step 5: Solve for x
    x = 13,993,943.44/3,985.38
  6. Step 6: Final answer
    x = 3,511.32

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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.