Home / 5,540.34-8,305.38-2,907.30

Finding the Fourth Proportional to 5,540.34, 8,305.38 and 2,907.30

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Solution

The fourth proportional to 5,540.34, 8,305.38 and 2,907.30 is: 4,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.34 : 8,305.38 = 2,907.30 : x
  2. Step 2: Convert to fraction form
    5,540.34/8,305.38 = 2,907.30/x
  3. Step 3: Cross multiply
    5,540.34x = 8,305.38 × 2,907.30
  4. Step 4: Simplify right side
    5,540.34x = 24,146,231.27
  5. Step 5: Solve for x
    x = 24,146,231.27/5,540.34
  6. Step 6: Final answer
    x = 4,358.26

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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.