Home / 3,191.41-4,402.88-2,354.13

Finding the Fourth Proportional to 3,191.41, 4,402.88 and 2,354.13

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Solution

The fourth proportional to 3,191.41, 4,402.88 and 2,354.13 is: 3,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.41 : 4,402.88 = 2,354.13 : x
  2. Step 2: Convert to fraction form
    3,191.41/4,402.88 = 2,354.13/x
  3. Step 3: Cross multiply
    3,191.41x = 4,402.88 × 2,354.13
  4. Step 4: Simplify right side
    3,191.41x = 10,364,929.88
  5. Step 5: Solve for x
    x = 10,364,929.88/3,191.41
  6. Step 6: Final answer
    x = 3,247.76

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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.