Home / 3,960.96-5,466.17-2,192.67

Finding the Fourth Proportional to 3,960.96, 5,466.17 and 2,192.67

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Solution

The fourth proportional to 3,960.96, 5,466.17 and 2,192.67 is: 3,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.96 : 5,466.17 = 2,192.67 : x
  2. Step 2: Convert to fraction form
    3,960.96/5,466.17 = 2,192.67/x
  3. Step 3: Cross multiply
    3,960.96x = 5,466.17 × 2,192.67
  4. Step 4: Simplify right side
    3,960.96x = 11,985,496.01
  5. Step 5: Solve for x
    x = 11,985,496.01/3,960.96
  6. Step 6: Final answer
    x = 3,025.91

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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.