Home / 4,905.36-7,361.28-2,133.54

Finding the Fourth Proportional to 4,905.36, 7,361.28 and 2,133.54

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Solution

The fourth proportional to 4,905.36, 7,361.28 and 2,133.54 is: 3,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.36 : 7,361.28 = 2,133.54 : x
  2. Step 2: Convert to fraction form
    4,905.36/7,361.28 = 2,133.54/x
  3. Step 3: Cross multiply
    4,905.36x = 7,361.28 × 2,133.54
  4. Step 4: Simplify right side
    4,905.36x = 15,705,585.33
  5. Step 5: Solve for x
    x = 15,705,585.33/4,905.36
  6. Step 6: Final answer
    x = 3,201.72

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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.