Home / 4,186.76-5,777.33-2,418.12

Finding the Fourth Proportional to 4,186.76, 5,777.33 and 2,418.12

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Solution

The fourth proportional to 4,186.76, 5,777.33 and 2,418.12 is: 3,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.76 : 5,777.33 = 2,418.12 : x
  2. Step 2: Convert to fraction form
    4,186.76/5,777.33 = 2,418.12/x
  3. Step 3: Cross multiply
    4,186.76x = 5,777.33 × 2,418.12
  4. Step 4: Simplify right side
    4,186.76x = 13,970,265.13
  5. Step 5: Solve for x
    x = 13,970,265.13/4,186.76
  6. Step 6: Final answer
    x = 3,336.78

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.