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Finding the Fourth Proportional to 5,416.89, 7,473.74 and 3,401.97

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Solution

The fourth proportional to 5,416.89, 7,473.74 and 3,401.97 is: 4,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.89 : 7,473.74 = 3,401.97 : x
  2. Step 2: Convert to fraction form
    5,416.89/7,473.74 = 3,401.97/x
  3. Step 3: Cross multiply
    5,416.89x = 7,473.74 × 3,401.97
  4. Step 4: Simplify right side
    5,416.89x = 25,425,422.26
  5. Step 5: Solve for x
    x = 25,425,422.26/5,416.89
  6. Step 6: Final answer
    x = 4,693.73

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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.