Home / 4,220.17-6,317.46-3,391.54

Finding the Fourth Proportional to 4,220.17, 6,317.46 and 3,391.54

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Solution

The fourth proportional to 4,220.17, 6,317.46 and 3,391.54 is: 5,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.17 : 6,317.46 = 3,391.54 : x
  2. Step 2: Convert to fraction form
    4,220.17/6,317.46 = 3,391.54/x
  3. Step 3: Cross multiply
    4,220.17x = 6,317.46 × 3,391.54
  4. Step 4: Simplify right side
    4,220.17x = 21,425,902.49
  5. Step 5: Solve for x
    x = 21,425,902.49/4,220.17
  6. Step 6: Final answer
    x = 5,077.03

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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.