Home / 5,421.10-7,481.94-3,297.28

Finding the Fourth Proportional to 5,421.10, 7,481.94 and 3,297.28

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Solution

The fourth proportional to 5,421.10, 7,481.94 and 3,297.28 is: 4,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.10 : 7,481.94 = 3,297.28 : x
  2. Step 2: Convert to fraction form
    5,421.10/7,481.94 = 3,297.28/x
  3. Step 3: Cross multiply
    5,421.10x = 7,481.94 × 3,297.28
  4. Step 4: Simplify right side
    5,421.10x = 24,670,051.12
  5. Step 5: Solve for x
    x = 24,670,051.12/5,421.10
  6. Step 6: Final answer
    x = 4,550.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.