Home / 7,149.20-10,723.80-3,252.56

Finding the Fourth Proportional to 7,149.20, 10,723.80 and 3,252.56

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Solution

The fourth proportional to 7,149.20, 10,723.80 and 3,252.56 is: 4,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.20 : 10,723.80 = 3,252.56 : x
  2. Step 2: Convert to fraction form
    7,149.20/10,723.80 = 3,252.56/x
  3. Step 3: Cross multiply
    7,149.20x = 10,723.80 × 3,252.56
  4. Step 4: Simplify right side
    7,149.20x = 34,879,802.93
  5. Step 5: Solve for x
    x = 34,879,802.93/7,149.20
  6. Step 6: Final answer
    x = 4,878.84

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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.