Home / 5,736.27-7,916.46-3,218.62

Finding the Fourth Proportional to 5,736.27, 7,916.46 and 3,218.62

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Solution

The fourth proportional to 5,736.27, 7,916.46 and 3,218.62 is: 4,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.27 : 7,916.46 = 3,218.62 : x
  2. Step 2: Convert to fraction form
    5,736.27/7,916.46 = 3,218.62/x
  3. Step 3: Cross multiply
    5,736.27x = 7,916.46 × 3,218.62
  4. Step 4: Simplify right side
    5,736.27x = 25,480,076.49
  5. Step 5: Solve for x
    x = 25,480,076.49/5,736.27
  6. Step 6: Final answer
    x = 4,441.92

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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.