Home / 3,353.20-5,028-1,161.28

Finding the Fourth Proportional to 3,353.20, 5,028 and 1,161.28

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Solution

The fourth proportional to 3,353.20, 5,028 and 1,161.28 is: 1,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.20 : 5,028 = 1,161.28 : x
  2. Step 2: Convert to fraction form
    3,353.20/5,028 = 1,161.28/x
  3. Step 3: Cross multiply
    3,353.20x = 5,028 × 1,161.28
  4. Step 4: Simplify right side
    3,353.20x = 5,838,915.84
  5. Step 5: Solve for x
    x = 5,838,915.84/3,353.20
  6. Step 6: Final answer
    x = 1,741.30

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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.