Home / 4,787.33-7,181.42-1,324.58

Finding the Fourth Proportional to 4,787.33, 7,181.42 and 1,324.58

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Solution

The fourth proportional to 4,787.33, 7,181.42 and 1,324.58 is: 1,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.33 : 7,181.42 = 1,324.58 : x
  2. Step 2: Convert to fraction form
    4,787.33/7,181.42 = 1,324.58/x
  3. Step 3: Cross multiply
    4,787.33x = 7,181.42 × 1,324.58
  4. Step 4: Simplify right side
    4,787.33x = 9,512,358.68
  5. Step 5: Solve for x
    x = 9,512,358.68/4,787.33
  6. Step 6: Final answer
    x = 1,986.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.