Home / 5,826.39-8,040.15-3,173.79

Finding the Fourth Proportional to 5,826.39, 8,040.15 and 3,173.79

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Solution

The fourth proportional to 5,826.39, 8,040.15 and 3,173.79 is: 4,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.39 : 8,040.15 = 3,173.79 : x
  2. Step 2: Convert to fraction form
    5,826.39/8,040.15 = 3,173.79/x
  3. Step 3: Cross multiply
    5,826.39x = 8,040.15 × 3,173.79
  4. Step 4: Simplify right side
    5,826.39x = 25,517,747.67
  5. Step 5: Solve for x
    x = 25,517,747.67/5,826.39
  6. Step 6: Final answer
    x = 4,379.68

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1.5x scale

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.