Home / 5,214.78-7,194.96-3,225.42

Finding the Fourth Proportional to 5,214.78, 7,194.96 and 3,225.42

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Solution

The fourth proportional to 5,214.78, 7,194.96 and 3,225.42 is: 4,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.78 : 7,194.96 = 3,225.42 : x
  2. Step 2: Convert to fraction form
    5,214.78/7,194.96 = 3,225.42/x
  3. Step 3: Cross multiply
    5,214.78x = 7,194.96 × 3,225.42
  4. Step 4: Simplify right side
    5,214.78x = 23,206,767.88
  5. Step 5: Solve for x
    x = 23,206,767.88/5,214.78
  6. Step 6: Final answer
    x = 4,450.19

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Double scale
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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.