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Finding the Fourth Proportional to 2,720.96, 3,753.63 and 1,837.05

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Solution

The fourth proportional to 2,720.96, 3,753.63 and 1,837.05 is: 2,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.96 : 3,753.63 = 1,837.05 : x
  2. Step 2: Convert to fraction form
    2,720.96/3,753.63 = 1,837.05/x
  3. Step 3: Cross multiply
    2,720.96x = 3,753.63 × 1,837.05
  4. Step 4: Simplify right side
    2,720.96x = 6,895,605.99
  5. Step 5: Solve for x
    x = 6,895,605.99/2,720.96
  6. Step 6: Final answer
    x = 2,534.26

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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.