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Finding the Fourth Proportional to 2,093.75, 2,891.52 and 1,812.63

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Solution

The fourth proportional to 2,093.75, 2,891.52 and 1,812.63 is: 2,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.75 : 2,891.52 = 1,812.63 : x
  2. Step 2: Convert to fraction form
    2,093.75/2,891.52 = 1,812.63/x
  3. Step 3: Cross multiply
    2,093.75x = 2,891.52 × 1,812.63
  4. Step 4: Simplify right side
    2,093.75x = 5,241,255.90
  5. Step 5: Solve for x
    x = 5,241,255.90/2,093.75
  6. Step 6: Final answer
    x = 2,503.29

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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.