Home / 3,645.35-5,467.98-1,180.11

Finding the Fourth Proportional to 3,645.35, 5,467.98 and 1,180.11

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Solution

The fourth proportional to 3,645.35, 5,467.98 and 1,180.11 is: 1,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.35 : 5,467.98 = 1,180.11 : x
  2. Step 2: Convert to fraction form
    3,645.35/5,467.98 = 1,180.11/x
  3. Step 3: Cross multiply
    3,645.35x = 5,467.98 × 1,180.11
  4. Step 4: Simplify right side
    3,645.35x = 6,452,817.88
  5. Step 5: Solve for x
    x = 6,452,817.88/3,645.35
  6. Step 6: Final answer
    x = 1,770.15

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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.