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Finding the Fourth Proportional to 5,010.09, 6,914.18 and 3,021.29

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Solution

The fourth proportional to 5,010.09, 6,914.18 and 3,021.29 is: 4,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.09 : 6,914.18 = 3,021.29 : x
  2. Step 2: Convert to fraction form
    5,010.09/6,914.18 = 3,021.29/x
  3. Step 3: Cross multiply
    5,010.09x = 6,914.18 × 3,021.29
  4. Step 4: Simplify right side
    5,010.09x = 20,889,742.89
  5. Step 5: Solve for x
    x = 20,889,742.89/5,010.09
  6. Step 6: Final answer
    x = 4,169.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.