Home / 5,995.78-8,976.70-3,178.19

Finding the Fourth Proportional to 5,995.78, 8,976.70 and 3,178.19

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Solution

The fourth proportional to 5,995.78, 8,976.70 and 3,178.19 is: 4,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,995.78 : 8,976.70 = 3,178.19 : x
  2. Step 2: Convert to fraction form
    5,995.78/8,976.70 = 3,178.19/x
  3. Step 3: Cross multiply
    5,995.78x = 8,976.70 × 3,178.19
  4. Step 4: Simplify right side
    5,995.78x = 28,529,658.17
  5. Step 5: Solve for x
    x = 28,529,658.17/5,995.78
  6. Step 6: Final answer
    x = 4,758.29

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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.