Home / 3,217.64-4,791.69-3,181.19

Finding the Fourth Proportional to 3,217.64, 4,791.69 and 3,181.19

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Solution

The fourth proportional to 3,217.64, 4,791.69 and 3,181.19 is: 4,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.64 : 4,791.69 = 3,181.19 : x
  2. Step 2: Convert to fraction form
    3,217.64/4,791.69 = 3,181.19/x
  3. Step 3: Cross multiply
    3,217.64x = 4,791.69 × 3,181.19
  4. Step 4: Simplify right side
    3,217.64x = 15,243,252.35
  5. Step 5: Solve for x
    x = 15,243,252.35/3,217.64
  6. Step 6: Final answer
    x = 4,737.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.