Home / 6,170.42-8,515.23-3,375.92

Finding the Fourth Proportional to 6,170.42, 8,515.23 and 3,375.92

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Solution

The fourth proportional to 6,170.42, 8,515.23 and 3,375.92 is: 4,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.42 : 8,515.23 = 3,375.92 : x
  2. Step 2: Convert to fraction form
    6,170.42/8,515.23 = 3,375.92/x
  3. Step 3: Cross multiply
    6,170.42x = 8,515.23 × 3,375.92
  4. Step 4: Simplify right side
    6,170.42x = 28,746,735.26
  5. Step 5: Solve for x
    x = 28,746,735.26/6,170.42
  6. Step 6: Final answer
    x = 4,658.80

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Double scale
Find fourth proportional to 6,171.42, 8,516.61 and 3,376.92
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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.