Home / 5,645.16-8,467.20-3,452.76

Finding the Fourth Proportional to 5,645.16, 8,467.20 and 3,452.76

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Solution

The fourth proportional to 5,645.16, 8,467.20 and 3,452.76 is: 5,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.16 : 8,467.20 = 3,452.76 : x
  2. Step 2: Convert to fraction form
    5,645.16/8,467.20 = 3,452.76/x
  3. Step 3: Cross multiply
    5,645.16x = 8,467.20 × 3,452.76
  4. Step 4: Simplify right side
    5,645.16x = 29,235,209.47
  5. Step 5: Solve for x
    x = 29,235,209.47/5,645.16
  6. Step 6: Final answer
    x = 5,178.81

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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.