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Finding the Fourth Proportional to 3,497.56, 4,805.03 and 3,129.41

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Solution

The fourth proportional to 3,497.56, 4,805.03 and 3,129.41 is: 4,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.56 : 4,805.03 = 3,129.41 : x
  2. Step 2: Convert to fraction form
    3,497.56/4,805.03 = 3,129.41/x
  3. Step 3: Cross multiply
    3,497.56x = 4,805.03 × 3,129.41
  4. Step 4: Simplify right side
    3,497.56x = 15,036,908.93
  5. Step 5: Solve for x
    x = 15,036,908.93/3,497.56
  6. Step 6: Final answer
    x = 4,299.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.