Home / 3,960.96-5,465.25-2,967.09

Finding the Fourth Proportional to 3,960.96, 5,465.25 and 2,967.09

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Solution

The fourth proportional to 3,960.96, 5,465.25 and 2,967.09 is: 4,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.96 : 5,465.25 = 2,967.09 : x
  2. Step 2: Convert to fraction form
    3,960.96/5,465.25 = 2,967.09/x
  3. Step 3: Cross multiply
    3,960.96x = 5,465.25 × 2,967.09
  4. Step 4: Simplify right side
    3,960.96x = 16,215,888.62
  5. Step 5: Solve for x
    x = 16,215,888.62/3,960.96
  6. Step 6: Final answer
    x = 4,093.93

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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.