Home / 5,268.12-7,172.57-5,251.65

Finding the Fourth Proportional to 5,268.12, 7,172.57 and 5,251.65

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Solution

The fourth proportional to 5,268.12, 7,172.57 and 5,251.65 is: 7,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.12 : 7,172.57 = 5,251.65 : x
  2. Step 2: Convert to fraction form
    5,268.12/7,172.57 = 5,251.65/x
  3. Step 3: Cross multiply
    5,268.12x = 7,172.57 × 5,251.65
  4. Step 4: Simplify right side
    5,268.12x = 37,667,800.98
  5. Step 5: Solve for x
    x = 37,667,800.98/5,268.12
  6. Step 6: Final answer
    x = 7,150.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.