Home / 2,062.97-3,087.26-1,688.45

Finding the Fourth Proportional to 2,062.97, 3,087.26 and 1,688.45

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Solution

The fourth proportional to 2,062.97, 3,087.26 and 1,688.45 is: 2,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.97 : 3,087.26 = 1,688.45 : x
  2. Step 2: Convert to fraction form
    2,062.97/3,087.26 = 1,688.45/x
  3. Step 3: Cross multiply
    2,062.97x = 3,087.26 × 1,688.45
  4. Step 4: Simplify right side
    2,062.97x = 5,212,676.10
  5. Step 5: Solve for x
    x = 5,212,676.10/2,062.97
  6. Step 6: Final answer
    x = 2,526.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.