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Finding the Fourth Proportional to 3,788.44, 5,210.43 and 3,041.21

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Solution

The fourth proportional to 3,788.44, 5,210.43 and 3,041.21 is: 4,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.44 : 5,210.43 = 3,041.21 : x
  2. Step 2: Convert to fraction form
    3,788.44/5,210.43 = 3,041.21/x
  3. Step 3: Cross multiply
    3,788.44x = 5,210.43 × 3,041.21
  4. Step 4: Simplify right side
    3,788.44x = 15,846,013.44
  5. Step 5: Solve for x
    x = 15,846,013.44/3,788.44
  6. Step 6: Final answer
    x = 4,182.73

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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.