Home / 4,073.19-6,109.78-2,621.57

Finding the Fourth Proportional to 4,073.19, 6,109.78 and 2,621.57

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Solution

The fourth proportional to 4,073.19, 6,109.78 and 2,621.57 is: 3,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.19 : 6,109.78 = 2,621.57 : x
  2. Step 2: Convert to fraction form
    4,073.19/6,109.78 = 2,621.57/x
  3. Step 3: Cross multiply
    4,073.19x = 6,109.78 × 2,621.57
  4. Step 4: Simplify right side
    4,073.19x = 16,017,183.77
  5. Step 5: Solve for x
    x = 16,017,183.77/4,073.19
  6. Step 6: Final answer
    x = 3,932.35

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Similar ratio
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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.