Home / 3,403.91-5,079.99-3,316.43

Finding the Fourth Proportional to 3,403.91, 5,079.99 and 3,316.43

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Solution

The fourth proportional to 3,403.91, 5,079.99 and 3,316.43 is: 4,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.91 : 5,079.99 = 3,316.43 : x
  2. Step 2: Convert to fraction form
    3,403.91/5,079.99 = 3,316.43/x
  3. Step 3: Cross multiply
    3,403.91x = 5,079.99 × 3,316.43
  4. Step 4: Simplify right side
    3,403.91x = 16,847,431.24
  5. Step 5: Solve for x
    x = 16,847,431.24/3,403.91
  6. Step 6: Final answer
    x = 4,949.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.