Home / 4,193.78-5,786.96-2,425.12

Finding the Fourth Proportional to 4,193.78, 5,786.96 and 2,425.12

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Solution

The fourth proportional to 4,193.78, 5,786.96 and 2,425.12 is: 3,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.78 : 5,786.96 = 2,425.12 : x
  2. Step 2: Convert to fraction form
    4,193.78/5,786.96 = 2,425.12/x
  3. Step 3: Cross multiply
    4,193.78x = 5,786.96 × 2,425.12
  4. Step 4: Simplify right side
    4,193.78x = 14,034,072.44
  5. Step 5: Solve for x
    x = 14,034,072.44/4,193.78
  6. Step 6: Final answer
    x = 3,346.40

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Half scale
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Double scale
Find fourth proportional to 4,194.78, 5,788.34 and 2,426.12
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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.