Home / 5,325.10-7,975.42-2,553.72

Finding the Fourth Proportional to 5,325.10, 7,975.42 and 2,553.72

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Solution

The fourth proportional to 5,325.10, 7,975.42 and 2,553.72 is: 3,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.10 : 7,975.42 = 2,553.72 : x
  2. Step 2: Convert to fraction form
    5,325.10/7,975.42 = 2,553.72/x
  3. Step 3: Cross multiply
    5,325.10x = 7,975.42 × 2,553.72
  4. Step 4: Simplify right side
    5,325.10x = 20,366,989.56
  5. Step 5: Solve for x
    x = 20,366,989.56/5,325.10
  6. Step 6: Final answer
    x = 3,824.71

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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.