Home / 3,317.97-4,974.45-2,861.13

Finding the Fourth Proportional to 3,317.97, 4,974.45 and 2,861.13

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Solution

The fourth proportional to 3,317.97, 4,974.45 and 2,861.13 is: 4,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.97 : 4,974.45 = 2,861.13 : x
  2. Step 2: Convert to fraction form
    3,317.97/4,974.45 = 2,861.13/x
  3. Step 3: Cross multiply
    3,317.97x = 4,974.45 × 2,861.13
  4. Step 4: Simplify right side
    3,317.97x = 14,232,548.13
  5. Step 5: Solve for x
    x = 14,232,548.13/3,317.97
  6. Step 6: Final answer
    x = 4,289.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.