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Finding the Fourth Proportional to 3,859.49, 5,788.50 and 1,883.13

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Solution

The fourth proportional to 3,859.49, 5,788.50 and 1,883.13 is: 2,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.49 : 5,788.50 = 1,883.13 : x
  2. Step 2: Convert to fraction form
    3,859.49/5,788.50 = 1,883.13/x
  3. Step 3: Cross multiply
    3,859.49x = 5,788.50 × 1,883.13
  4. Step 4: Simplify right side
    3,859.49x = 10,900,498.01
  5. Step 5: Solve for x
    x = 10,900,498.01/3,859.49
  6. Step 6: Final answer
    x = 2,824.34

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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.