Home / 3,096.33-4,644.93-905.22

Finding the Fourth Proportional to 3,096.33, 4,644.93 and 905.22

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Solution

The fourth proportional to 3,096.33, 4,644.93 and 905.22 is: 1,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.33 : 4,644.93 = 905.22 : x
  2. Step 2: Convert to fraction form
    3,096.33/4,644.93 = 905.22/x
  3. Step 3: Cross multiply
    3,096.33x = 4,644.93 × 905.22
  4. Step 4: Simplify right side
    3,096.33x = 4,204,683.53
  5. Step 5: Solve for x
    x = 4,204,683.53/3,096.33
  6. Step 6: Final answer
    x = 1,357.96

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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.