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Finding the Fourth Proportional to 2,544.86, 3,810.11 and 1,618.13

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Solution

The fourth proportional to 2,544.86, 3,810.11 and 1,618.13 is: 2,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.86 : 3,810.11 = 1,618.13 : x
  2. Step 2: Convert to fraction form
    2,544.86/3,810.11 = 1,618.13/x
  3. Step 3: Cross multiply
    2,544.86x = 3,810.11 × 1,618.13
  4. Step 4: Simplify right side
    2,544.86x = 6,165,254.73
  5. Step 5: Solve for x
    x = 6,165,254.73/2,544.86
  6. Step 6: Final answer
    x = 2,422.63

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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.