Home / 6,039.84-8,331.28-3,995.72

Finding the Fourth Proportional to 6,039.84, 8,331.28 and 3,995.72

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Solution

The fourth proportional to 6,039.84, 8,331.28 and 3,995.72 is: 5,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,039.84 : 8,331.28 = 3,995.72 : x
  2. Step 2: Convert to fraction form
    6,039.84/8,331.28 = 3,995.72/x
  3. Step 3: Cross multiply
    6,039.84x = 8,331.28 × 3,995.72
  4. Step 4: Simplify right side
    6,039.84x = 33,289,462.12
  5. Step 5: Solve for x
    x = 33,289,462.12/6,039.84
  6. Step 6: Final answer
    x = 5,511.65

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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.