Home / 7,235.41-9,986.75-4,092.61

Finding the Fourth Proportional to 7,235.41, 9,986.75 and 4,092.61

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Solution

The fourth proportional to 7,235.41, 9,986.75 and 4,092.61 is: 5,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.41 : 9,986.75 = 4,092.61 : x
  2. Step 2: Convert to fraction form
    7,235.41/9,986.75 = 4,092.61/x
  3. Step 3: Cross multiply
    7,235.41x = 9,986.75 × 4,092.61
  4. Step 4: Simplify right side
    7,235.41x = 40,871,872.92
  5. Step 5: Solve for x
    x = 40,871,872.92/7,235.41
  6. Step 6: Final answer
    x = 5,648.87

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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.