Home / 2,720.08-3,754.79-2,012.01

Finding the Fourth Proportional to 2,720.08, 3,754.79 and 2,012.01

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Solution

The fourth proportional to 2,720.08, 3,754.79 and 2,012.01 is: 2,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.08 : 3,754.79 = 2,012.01 : x
  2. Step 2: Convert to fraction form
    2,720.08/3,754.79 = 2,012.01/x
  3. Step 3: Cross multiply
    2,720.08x = 3,754.79 × 2,012.01
  4. Step 4: Simplify right side
    2,720.08x = 7,554,675.03
  5. Step 5: Solve for x
    x = 7,554,675.03/2,720.08
  6. Step 6: Final answer
    x = 2,777.37

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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.