Home / 5,318.52-7,340.04-2,961.24

Finding the Fourth Proportional to 5,318.52, 7,340.04 and 2,961.24

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Solution

The fourth proportional to 5,318.52, 7,340.04 and 2,961.24 is: 4,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.52 : 7,340.04 = 2,961.24 : x
  2. Step 2: Convert to fraction form
    5,318.52/7,340.04 = 2,961.24/x
  3. Step 3: Cross multiply
    5,318.52x = 7,340.04 × 2,961.24
  4. Step 4: Simplify right side
    5,318.52x = 21,735,620.05
  5. Step 5: Solve for x
    x = 21,735,620.05/5,318.52
  6. Step 6: Final answer
    x = 4,086.78

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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.