Home / 3,076.82-4,245.63-1,732.26

Finding the Fourth Proportional to 3,076.82, 4,245.63 and 1,732.26

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Solution

The fourth proportional to 3,076.82, 4,245.63 and 1,732.26 is: 2,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.82 : 4,245.63 = 1,732.26 : x
  2. Step 2: Convert to fraction form
    3,076.82/4,245.63 = 1,732.26/x
  3. Step 3: Cross multiply
    3,076.82x = 4,245.63 × 1,732.26
  4. Step 4: Simplify right side
    3,076.82x = 7,354,535.02
  5. Step 5: Solve for x
    x = 7,354,535.02/3,076.82
  6. Step 6: Final answer
    x = 2,390.31

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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.