Home / 3,076.96-4,245.75-1,732.37

Finding the Fourth Proportional to 3,076.96, 4,245.75 and 1,732.37

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Solution

The fourth proportional to 3,076.96, 4,245.75 and 1,732.37 is: 2,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.96 : 4,245.75 = 1,732.37 : x
  2. Step 2: Convert to fraction form
    3,076.96/4,245.75 = 1,732.37/x
  3. Step 3: Cross multiply
    3,076.96x = 4,245.75 × 1,732.37
  4. Step 4: Simplify right side
    3,076.96x = 7,355,214.05
  5. Step 5: Solve for x
    x = 7,355,214.05/3,076.96
  6. Step 6: Final answer
    x = 2,390.42

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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.