Home / 4,445.87-6,668.78-4,224.15

Finding the Fourth Proportional to 4,445.87, 6,668.78 and 4,224.15

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Solution

The fourth proportional to 4,445.87, 6,668.78 and 4,224.15 is: 6,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.87 : 6,668.78 = 4,224.15 : x
  2. Step 2: Convert to fraction form
    4,445.87/6,668.78 = 4,224.15/x
  3. Step 3: Cross multiply
    4,445.87x = 6,668.78 × 4,224.15
  4. Step 4: Simplify right side
    4,445.87x = 28,169,905.92
  5. Step 5: Solve for x
    x = 28,169,905.92/4,445.87
  6. Step 6: Final answer
    x = 6,336.20

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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.