Home / 4,119.39-6,180.03-1,197.72

Finding the Fourth Proportional to 4,119.39, 6,180.03 and 1,197.72

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Solution

The fourth proportional to 4,119.39, 6,180.03 and 1,197.72 is: 1,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.39 : 6,180.03 = 1,197.72 : x
  2. Step 2: Convert to fraction form
    4,119.39/6,180.03 = 1,197.72/x
  3. Step 3: Cross multiply
    4,119.39x = 6,180.03 × 1,197.72
  4. Step 4: Simplify right side
    4,119.39x = 7,401,945.53
  5. Step 5: Solve for x
    x = 7,401,945.53/4,119.39
  6. Step 6: Final answer
    x = 1,796.85

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Half scale
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Double scale
Find fourth proportional to 4,120.39, 6,181.53 and 1,198.72
Similar ratio
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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.