Home / 5,181.71-7,150.88-3,193.56

Finding the Fourth Proportional to 5,181.71, 7,150.88 and 3,193.56

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Solution

The fourth proportional to 5,181.71, 7,150.88 and 3,193.56 is: 4,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.71 : 7,150.88 = 3,193.56 : x
  2. Step 2: Convert to fraction form
    5,181.71/7,150.88 = 3,193.56/x
  3. Step 3: Cross multiply
    5,181.71x = 7,150.88 × 3,193.56
  4. Step 4: Simplify right side
    5,181.71x = 22,836,772.32
  5. Step 5: Solve for x
    x = 22,836,772.32/5,181.71
  6. Step 6: Final answer
    x = 4,407.19

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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.