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Finding the Fourth Proportional to 4,839.03, 6,686.42 and 3,798.99

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Solution

The fourth proportional to 4,839.03, 6,686.42 and 3,798.99 is: 5,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.03 : 6,686.42 = 3,798.99 : x
  2. Step 2: Convert to fraction form
    4,839.03/6,686.42 = 3,798.99/x
  3. Step 3: Cross multiply
    4,839.03x = 6,686.42 × 3,798.99
  4. Step 4: Simplify right side
    4,839.03x = 25,401,623.72
  5. Step 5: Solve for x
    x = 25,401,623.72/4,839.03
  6. Step 6: Final answer
    x = 5,249.32

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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.