Home / 5,119.36-7,672.65-2,194.27

Finding the Fourth Proportional to 5,119.36, 7,672.65 and 2,194.27

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Solution

The fourth proportional to 5,119.36, 7,672.65 and 2,194.27 is: 3,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.36 : 7,672.65 = 2,194.27 : x
  2. Step 2: Convert to fraction form
    5,119.36/7,672.65 = 2,194.27/x
  3. Step 3: Cross multiply
    5,119.36x = 7,672.65 × 2,194.27
  4. Step 4: Simplify right side
    5,119.36x = 16,835,865.72
  5. Step 5: Solve for x
    x = 16,835,865.72/5,119.36
  6. Step 6: Final answer
    x = 3,288.67

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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.