Home / 5,421.32-7,481.94-3,296.69

Finding the Fourth Proportional to 5,421.32, 7,481.94 and 3,296.69

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Solution

The fourth proportional to 5,421.32, 7,481.94 and 3,296.69 is: 4,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.32 : 7,481.94 = 3,296.69 : x
  2. Step 2: Convert to fraction form
    5,421.32/7,481.94 = 3,296.69/x
  3. Step 3: Cross multiply
    5,421.32x = 7,481.94 × 3,296.69
  4. Step 4: Simplify right side
    5,421.32x = 24,665,636.78
  5. Step 5: Solve for x
    x = 24,665,636.78/5,421.32
  6. Step 6: Final answer
    x = 4,549.75

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1.5x scale

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.