Home / 3,227.49-4,454.31-1,811.57

Finding the Fourth Proportional to 3,227.49, 4,454.31 and 1,811.57

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Solution

The fourth proportional to 3,227.49, 4,454.31 and 1,811.57 is: 2,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.49 : 4,454.31 = 1,811.57 : x
  2. Step 2: Convert to fraction form
    3,227.49/4,454.31 = 1,811.57/x
  3. Step 3: Cross multiply
    3,227.49x = 4,454.31 × 1,811.57
  4. Step 4: Simplify right side
    3,227.49x = 8,069,294.37
  5. Step 5: Solve for x
    x = 8,069,294.37/3,227.49
  6. Step 6: Final answer
    x = 2,500.18

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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.