Home / 1,720.37-2,593.26-1,620.02

Finding the Fourth Proportional to 1,720.37, 2,593.26 and 1,620.02

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Solution

The fourth proportional to 1,720.37, 2,593.26 and 1,620.02 is: 2,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.37 : 2,593.26 = 1,620.02 : x
  2. Step 2: Convert to fraction form
    1,720.37/2,593.26 = 1,620.02/x
  3. Step 3: Cross multiply
    1,720.37x = 2,593.26 × 1,620.02
  4. Step 4: Simplify right side
    1,720.37x = 4,201,133.07
  5. Step 5: Solve for x
    x = 4,201,133.07/1,720.37
  6. Step 6: Final answer
    x = 2,441.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.