Home / 3,068.41-4,229.35-2,170.99

Finding the Fourth Proportional to 3,068.41, 4,229.35 and 2,170.99

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Solution

The fourth proportional to 3,068.41, 4,229.35 and 2,170.99 is: 2,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.41 : 4,229.35 = 2,170.99 : x
  2. Step 2: Convert to fraction form
    3,068.41/4,229.35 = 2,170.99/x
  3. Step 3: Cross multiply
    3,068.41x = 4,229.35 × 2,170.99
  4. Step 4: Simplify right side
    3,068.41x = 9,181,876.56
  5. Step 5: Solve for x
    x = 9,181,876.56/3,068.41
  6. Step 6: Final answer
    x = 2,992.39

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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.