Home / 3,191.14-4,403.76-1,793.90

Finding the Fourth Proportional to 3,191.14, 4,403.76 and 1,793.90

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Solution

The fourth proportional to 3,191.14, 4,403.76 and 1,793.90 is: 2,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.14 : 4,403.76 = 1,793.90 : x
  2. Step 2: Convert to fraction form
    3,191.14/4,403.76 = 1,793.90/x
  3. Step 3: Cross multiply
    3,191.14x = 4,403.76 × 1,793.90
  4. Step 4: Simplify right side
    3,191.14x = 7,899,905.06
  5. Step 5: Solve for x
    x = 7,899,905.06/3,191.14
  6. Step 6: Final answer
    x = 2,475.57

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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.