Home / 5,589.39-8,380.88-4,322.49

Finding the Fourth Proportional to 5,589.39, 8,380.88 and 4,322.49

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Solution

The fourth proportional to 5,589.39, 8,380.88 and 4,322.49 is: 6,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.39 : 8,380.88 = 4,322.49 : x
  2. Step 2: Convert to fraction form
    5,589.39/8,380.88 = 4,322.49/x
  3. Step 3: Cross multiply
    5,589.39x = 8,380.88 × 4,322.49
  4. Step 4: Simplify right side
    5,589.39x = 36,226,269.99
  5. Step 5: Solve for x
    x = 36,226,269.99/5,589.39
  6. Step 6: Final answer
    x = 6,481.26

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1.5x scale

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.