Home / 5,682.18-7,841.28-3,163.98

Finding the Fourth Proportional to 5,682.18, 7,841.28 and 3,163.98

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Solution

The fourth proportional to 5,682.18, 7,841.28 and 3,163.98 is: 4,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.18 : 7,841.28 = 3,163.98 : x
  2. Step 2: Convert to fraction form
    5,682.18/7,841.28 = 3,163.98/x
  3. Step 3: Cross multiply
    5,682.18x = 7,841.28 × 3,163.98
  4. Step 4: Simplify right side
    5,682.18x = 24,809,653.09
  5. Step 5: Solve for x
    x = 24,809,653.09/5,682.18
  6. Step 6: Final answer
    x = 4,366.22

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Half scale
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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.