Home / 4,887.39-7,331.09-2,668.44

Finding the Fourth Proportional to 4,887.39, 7,331.09 and 2,668.44

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Solution

The fourth proportional to 4,887.39, 7,331.09 and 2,668.44 is: 4,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.39 : 7,331.09 = 2,668.44 : x
  2. Step 2: Convert to fraction form
    4,887.39/7,331.09 = 2,668.44/x
  3. Step 3: Cross multiply
    4,887.39x = 7,331.09 × 2,668.44
  4. Step 4: Simplify right side
    4,887.39x = 19,562,560.46
  5. Step 5: Solve for x
    x = 19,562,560.46/4,887.39
  6. Step 6: Final answer
    x = 4,002.66

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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.