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Finding the Fourth Proportional to 1,813.96, 2,497.11 and 1,627.38

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Solution

The fourth proportional to 1,813.96, 2,497.11 and 1,627.38 is: 2,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.96 : 2,497.11 = 1,627.38 : x
  2. Step 2: Convert to fraction form
    1,813.96/2,497.11 = 1,627.38/x
  3. Step 3: Cross multiply
    1,813.96x = 2,497.11 × 1,627.38
  4. Step 4: Simplify right side
    1,813.96x = 4,063,742.98
  5. Step 5: Solve for x
    x = 4,063,742.98/1,813.96
  6. Step 6: Final answer
    x = 2,240.26

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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.