Home / 3,191.91-4,403.57-2,354.62

Finding the Fourth Proportional to 3,191.91, 4,403.57 and 2,354.62

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Solution

The fourth proportional to 3,191.91, 4,403.57 and 2,354.62 is: 3,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.91 : 4,403.57 = 2,354.62 : x
  2. Step 2: Convert to fraction form
    3,191.91/4,403.57 = 2,354.62/x
  3. Step 3: Cross multiply
    3,191.91x = 4,403.57 × 2,354.62
  4. Step 4: Simplify right side
    3,191.91x = 10,368,733.99
  5. Step 5: Solve for x
    x = 10,368,733.99/3,191.91
  6. Step 6: Final answer
    x = 3,248.44

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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.