Home / 4,446.50-6,136.18-2,678.18

Finding the Fourth Proportional to 4,446.50, 6,136.18 and 2,678.18

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Solution

The fourth proportional to 4,446.50, 6,136.18 and 2,678.18 is: 3,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.50 : 6,136.18 = 2,678.18 : x
  2. Step 2: Convert to fraction form
    4,446.50/6,136.18 = 2,678.18/x
  3. Step 3: Cross multiply
    4,446.50x = 6,136.18 × 2,678.18
  4. Step 4: Simplify right side
    4,446.50x = 16,433,794.55
  5. Step 5: Solve for x
    x = 16,433,794.55/4,446.50
  6. Step 6: Final answer
    x = 3,695.89

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Double scale
Find fourth proportional to 4,447.50, 6,137.56 and 2,679.18
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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.