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Finding the Fourth Proportional to 2,720.97, 3,755.29 and 1,602.01

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Solution

The fourth proportional to 2,720.97, 3,755.29 and 1,602.01 is: 2,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.97 : 3,755.29 = 1,602.01 : x
  2. Step 2: Convert to fraction form
    2,720.97/3,755.29 = 1,602.01/x
  3. Step 3: Cross multiply
    2,720.97x = 3,755.29 × 1,602.01
  4. Step 4: Simplify right side
    2,720.97x = 6,016,012.13
  5. Step 5: Solve for x
    x = 6,016,012.13/2,720.97
  6. Step 6: Final answer
    x = 2,210.98

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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.