Home / 4,184.78-5,771.64-3,557.38

Finding the Fourth Proportional to 4,184.78, 5,771.64 and 3,557.38

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Solution

The fourth proportional to 4,184.78, 5,771.64 and 3,557.38 is: 4,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.78 : 5,771.64 = 3,557.38 : x
  2. Step 2: Convert to fraction form
    4,184.78/5,771.64 = 3,557.38/x
  3. Step 3: Cross multiply
    4,184.78x = 5,771.64 × 3,557.38
  4. Step 4: Simplify right side
    4,184.78x = 20,531,916.70
  5. Step 5: Solve for x
    x = 20,531,916.70/4,184.78
  6. Step 6: Final answer
    x = 4,906.33

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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.