Home / 2,717.25-3,749.61-1,538.10

Finding the Fourth Proportional to 2,717.25, 3,749.61 and 1,538.10

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Solution

The fourth proportional to 2,717.25, 3,749.61 and 1,538.10 is: 2,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.25 : 3,749.61 = 1,538.10 : x
  2. Step 2: Convert to fraction form
    2,717.25/3,749.61 = 1,538.10/x
  3. Step 3: Cross multiply
    2,717.25x = 3,749.61 × 1,538.10
  4. Step 4: Simplify right side
    2,717.25x = 5,767,248.70
  5. Step 5: Solve for x
    x = 5,767,248.70/2,717.25
  6. Step 6: Final answer
    x = 2,122.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.