Home / 3,110.19-4,298.23-2,549.80

Finding the Fourth Proportional to 3,110.19, 4,298.23 and 2,549.80

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Solution

The fourth proportional to 3,110.19, 4,298.23 and 2,549.80 is: 3,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.19 : 4,298.23 = 2,549.80 : x
  2. Step 2: Convert to fraction form
    3,110.19/4,298.23 = 2,549.80/x
  3. Step 3: Cross multiply
    3,110.19x = 4,298.23 × 2,549.80
  4. Step 4: Simplify right side
    3,110.19x = 10,959,626.85
  5. Step 5: Solve for x
    x = 10,959,626.85/3,110.19
  6. Step 6: Final answer
    x = 3,523.78

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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.