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Finding the Fourth Proportional to 4,510.54, 6,217.92 and 2,917.07

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Solution

The fourth proportional to 4,510.54, 6,217.92 and 2,917.07 is: 4,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.54 : 6,217.92 = 2,917.07 : x
  2. Step 2: Convert to fraction form
    4,510.54/6,217.92 = 2,917.07/x
  3. Step 3: Cross multiply
    4,510.54x = 6,217.92 × 2,917.07
  4. Step 4: Simplify right side
    4,510.54x = 18,138,076.80
  5. Step 5: Solve for x
    x = 18,138,076.80/4,510.54
  6. Step 6: Final answer
    x = 4,021.27

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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.