Home / 5,170.09-7,135.11-2,932.36

Finding the Fourth Proportional to 5,170.09, 7,135.11 and 2,932.36

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Solution

The fourth proportional to 5,170.09, 7,135.11 and 2,932.36 is: 4,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.09 : 7,135.11 = 2,932.36 : x
  2. Step 2: Convert to fraction form
    5,170.09/7,135.11 = 2,932.36/x
  3. Step 3: Cross multiply
    5,170.09x = 7,135.11 × 2,932.36
  4. Step 4: Simplify right side
    5,170.09x = 20,922,711.16
  5. Step 5: Solve for x
    x = 20,922,711.16/5,170.09
  6. Step 6: Final answer
    x = 4,046.88

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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.