Home / 5,961.40-8,942.10-4,211.80

Finding the Fourth Proportional to 5,961.40, 8,942.10 and 4,211.80

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Solution

The fourth proportional to 5,961.40, 8,942.10 and 4,211.80 is: 6,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.40 : 8,942.10 = 4,211.80 : x
  2. Step 2: Convert to fraction form
    5,961.40/8,942.10 = 4,211.80/x
  3. Step 3: Cross multiply
    5,961.40x = 8,942.10 × 4,211.80
  4. Step 4: Simplify right side
    5,961.40x = 37,662,336.78
  5. Step 5: Solve for x
    x = 37,662,336.78/5,961.40
  6. Step 6: Final answer
    x = 6,317.70

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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.