Home / 7,723.44-10,658.26-4,186.61

Finding the Fourth Proportional to 7,723.44, 10,658.26 and 4,186.61

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Solution

The fourth proportional to 7,723.44, 10,658.26 and 4,186.61 is: 5,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.44 : 10,658.26 = 4,186.61 : x
  2. Step 2: Convert to fraction form
    7,723.44/10,658.26 = 4,186.61/x
  3. Step 3: Cross multiply
    7,723.44x = 10,658.26 × 4,186.61
  4. Step 4: Simplify right side
    7,723.44x = 44,621,977.90
  5. Step 5: Solve for x
    x = 44,621,977.90/7,723.44
  6. Step 6: Final answer
    x = 5,777.47

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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.