Home / 4,081.14-5,634.68-3,135.24

Finding the Fourth Proportional to 4,081.14, 5,634.68 and 3,135.24

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Solution

The fourth proportional to 4,081.14, 5,634.68 and 3,135.24 is: 4,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.14 : 5,634.68 = 3,135.24 : x
  2. Step 2: Convert to fraction form
    4,081.14/5,634.68 = 3,135.24/x
  3. Step 3: Cross multiply
    4,081.14x = 5,634.68 × 3,135.24
  4. Step 4: Simplify right side
    4,081.14x = 17,666,074.12
  5. Step 5: Solve for x
    x = 17,666,074.12/4,081.14
  6. Step 6: Final answer
    x = 4,328.71

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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.