Home / 3,179.18-4,749.26-2,294.12

Finding the Fourth Proportional to 3,179.18, 4,749.26 and 2,294.12

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Solution

The fourth proportional to 3,179.18, 4,749.26 and 2,294.12 is: 3,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.18 : 4,749.26 = 2,294.12 : x
  2. Step 2: Convert to fraction form
    3,179.18/4,749.26 = 2,294.12/x
  3. Step 3: Cross multiply
    3,179.18x = 4,749.26 × 2,294.12
  4. Step 4: Simplify right side
    3,179.18x = 10,895,372.75
  5. Step 5: Solve for x
    x = 10,895,372.75/3,179.18
  6. Step 6: Final answer
    x = 3,427.10

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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.