Home / 5,949.57-8,928.39-3,178.23

Finding the Fourth Proportional to 5,949.57, 8,928.39 and 3,178.23

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Solution

The fourth proportional to 5,949.57, 8,928.39 and 3,178.23 is: 4,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,949.57 : 8,928.39 = 3,178.23 : x
  2. Step 2: Convert to fraction form
    5,949.57/8,928.39 = 3,178.23/x
  3. Step 3: Cross multiply
    5,949.57x = 8,928.39 × 3,178.23
  4. Step 4: Simplify right side
    5,949.57x = 28,376,476.95
  5. Step 5: Solve for x
    x = 28,376,476.95/5,949.57
  6. Step 6: Final answer
    x = 4,769.50

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Double scale
Find fourth proportional to 5,950.57, 8,929.89 and 3,179.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.