Home / 5,211.33-7,816.99-2,613.66

Finding the Fourth Proportional to 5,211.33, 7,816.99 and 2,613.66

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Solution

The fourth proportional to 5,211.33, 7,816.99 and 2,613.66 is: 3,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.33 : 7,816.99 = 2,613.66 : x
  2. Step 2: Convert to fraction form
    5,211.33/7,816.99 = 2,613.66/x
  3. Step 3: Cross multiply
    5,211.33x = 7,816.99 × 2,613.66
  4. Step 4: Simplify right side
    5,211.33x = 20,430,954.08
  5. Step 5: Solve for x
    x = 20,430,954.08/5,211.33
  6. Step 6: Final answer
    x = 3,920.49

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Half scale
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Double scale
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Similar ratio
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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.