Home / 3,530.22-5,269.20-3,115.10

Finding the Fourth Proportional to 3,530.22, 5,269.20 and 3,115.10

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Solution

The fourth proportional to 3,530.22, 5,269.20 and 3,115.10 is: 4,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.22 : 5,269.20 = 3,115.10 : x
  2. Step 2: Convert to fraction form
    3,530.22/5,269.20 = 3,115.10/x
  3. Step 3: Cross multiply
    3,530.22x = 5,269.20 × 3,115.10
  4. Step 4: Simplify right side
    3,530.22x = 16,414,084.92
  5. Step 5: Solve for x
    x = 16,414,084.92/3,530.22
  6. Step 6: Final answer
    x = 4,649.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.