Home / 4,086.93-5,645.66-3,935.21

Finding the Fourth Proportional to 4,086.93, 5,645.66 and 3,935.21

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Solution

The fourth proportional to 4,086.93, 5,645.66 and 3,935.21 is: 5,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.93 : 5,645.66 = 3,935.21 : x
  2. Step 2: Convert to fraction form
    4,086.93/5,645.66 = 3,935.21/x
  3. Step 3: Cross multiply
    4,086.93x = 5,645.66 × 3,935.21
  4. Step 4: Simplify right side
    4,086.93x = 22,216,809.78
  5. Step 5: Solve for x
    x = 22,216,809.78/4,086.93
  6. Step 6: Final answer
    x = 5,436.06

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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.