Home / 3,082.43-4,623.65-2,619.11

Finding the Fourth Proportional to 3,082.43, 4,623.65 and 2,619.11

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Solution

The fourth proportional to 3,082.43, 4,623.65 and 2,619.11 is: 3,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.43 : 4,623.65 = 2,619.11 : x
  2. Step 2: Convert to fraction form
    3,082.43/4,623.65 = 2,619.11/x
  3. Step 3: Cross multiply
    3,082.43x = 4,623.65 × 2,619.11
  4. Step 4: Simplify right side
    3,082.43x = 12,109,856.24
  5. Step 5: Solve for x
    x = 12,109,856.24/3,082.43
  6. Step 6: Final answer
    x = 3,928.67

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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.