Home / 4,119.21-6,179.16-1,197.51

Finding the Fourth Proportional to 4,119.21, 6,179.16 and 1,197.51

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Solution

The fourth proportional to 4,119.21, 6,179.16 and 1,197.51 is: 1,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.21 : 6,179.16 = 1,197.51 : x
  2. Step 2: Convert to fraction form
    4,119.21/6,179.16 = 1,197.51/x
  3. Step 3: Cross multiply
    4,119.21x = 6,179.16 × 1,197.51
  4. Step 4: Simplify right side
    4,119.21x = 7,399,605.89
  5. Step 5: Solve for x
    x = 7,399,605.89/4,119.21
  6. Step 6: Final answer
    x = 1,796.37

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Half scale
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Double scale
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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.