Home / 4,112.79-5,676.33-3,057.56

Finding the Fourth Proportional to 4,112.79, 5,676.33 and 3,057.56

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Solution

The fourth proportional to 4,112.79, 5,676.33 and 3,057.56 is: 4,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.79 : 5,676.33 = 3,057.56 : x
  2. Step 2: Convert to fraction form
    4,112.79/5,676.33 = 3,057.56/x
  3. Step 3: Cross multiply
    4,112.79x = 5,676.33 × 3,057.56
  4. Step 4: Simplify right side
    4,112.79x = 17,355,738.66
  5. Step 5: Solve for x
    x = 17,355,738.66/4,112.79
  6. Step 6: Final answer
    x = 4,219.94

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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.