Home / 3,806.66-5,249.91-3,585.23

Finding the Fourth Proportional to 3,806.66, 5,249.91 and 3,585.23

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Solution

The fourth proportional to 3,806.66, 5,249.91 and 3,585.23 is: 4,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.66 : 5,249.91 = 3,585.23 : x
  2. Step 2: Convert to fraction form
    3,806.66/5,249.91 = 3,585.23/x
  3. Step 3: Cross multiply
    3,806.66x = 5,249.91 × 3,585.23
  4. Step 4: Simplify right side
    3,806.66x = 18,822,141.71
  5. Step 5: Solve for x
    x = 18,822,141.71/3,806.66
  6. Step 6: Final answer
    x = 4,944.53

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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.