Home / 4,186.82-5,778.84-2,419.46

Finding the Fourth Proportional to 4,186.82, 5,778.84 and 2,419.46

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Solution

The fourth proportional to 4,186.82, 5,778.84 and 2,419.46 is: 3,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.82 : 5,778.84 = 2,419.46 : x
  2. Step 2: Convert to fraction form
    4,186.82/5,778.84 = 2,419.46/x
  3. Step 3: Cross multiply
    4,186.82x = 5,778.84 × 2,419.46
  4. Step 4: Simplify right side
    4,186.82x = 13,981,672.23
  5. Step 5: Solve for x
    x = 13,981,672.23/4,186.82
  6. Step 6: Final answer
    x = 3,339.45

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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.