Home / 7,387.10-11,072.74-3,682.02

Finding the Fourth Proportional to 7,387.10, 11,072.74 and 3,682.02

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Solution

The fourth proportional to 7,387.10, 11,072.74 and 3,682.02 is: 5,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.10 : 11,072.74 = 3,682.02 : x
  2. Step 2: Convert to fraction form
    7,387.10/11,072.74 = 3,682.02/x
  3. Step 3: Cross multiply
    7,387.10x = 11,072.74 × 3,682.02
  4. Step 4: Simplify right side
    7,387.10x = 40,770,050.13
  5. Step 5: Solve for x
    x = 40,770,050.13/7,387.10
  6. Step 6: Final answer
    x = 5,519.09

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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.