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Finding the Fourth Proportional to 3,841.99, 5,300.29 and 2,203.99

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Solution

The fourth proportional to 3,841.99, 5,300.29 and 2,203.99 is: 3,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.99 : 5,300.29 = 2,203.99 : x
  2. Step 2: Convert to fraction form
    3,841.99/5,300.29 = 2,203.99/x
  3. Step 3: Cross multiply
    3,841.99x = 5,300.29 × 2,203.99
  4. Step 4: Simplify right side
    3,841.99x = 11,681,811.67
  5. Step 5: Solve for x
    x = 11,681,811.67/3,841.99
  6. Step 6: Final answer
    x = 3,040.56

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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.