Home / 1,709.28-2,563.92-1,132.02

Finding the Fourth Proportional to 1,709.28, 2,563.92 and 1,132.02

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Solution

The fourth proportional to 1,709.28, 2,563.92 and 1,132.02 is: 1,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.28 : 2,563.92 = 1,132.02 : x
  2. Step 2: Convert to fraction form
    1,709.28/2,563.92 = 1,132.02/x
  3. Step 3: Cross multiply
    1,709.28x = 2,563.92 × 1,132.02
  4. Step 4: Simplify right side
    1,709.28x = 2,902,408.72
  5. Step 5: Solve for x
    x = 2,902,408.72/1,709.28
  6. Step 6: Final answer
    x = 1,698.03

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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.