Home / 6,220.52-9,310.43-3,405.12

Finding the Fourth Proportional to 6,220.52, 9,310.43 and 3,405.12

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Solution

The fourth proportional to 6,220.52, 9,310.43 and 3,405.12 is: 5,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.52 : 9,310.43 = 3,405.12 : x
  2. Step 2: Convert to fraction form
    6,220.52/9,310.43 = 3,405.12/x
  3. Step 3: Cross multiply
    6,220.52x = 9,310.43 × 3,405.12
  4. Step 4: Simplify right side
    6,220.52x = 31,703,131.40
  5. Step 5: Solve for x
    x = 31,703,131.40/6,220.52
  6. Step 6: Final answer
    x = 5,096.54

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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.