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Finding the Fourth Proportional to 4,324.58, 6,490.02 and 1,728.26

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Solution

The fourth proportional to 4,324.58, 6,490.02 and 1,728.26 is: 2,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.58 : 6,490.02 = 1,728.26 : x
  2. Step 2: Convert to fraction form
    4,324.58/6,490.02 = 1,728.26/x
  3. Step 3: Cross multiply
    4,324.58x = 6,490.02 × 1,728.26
  4. Step 4: Simplify right side
    4,324.58x = 11,216,441.97
  5. Step 5: Solve for x
    x = 11,216,441.97/4,324.58
  6. Step 6: Final answer
    x = 2,593.65

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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.