Home / 2,717.15-3,749.81-1,522.07

Finding the Fourth Proportional to 2,717.15, 3,749.81 and 1,522.07

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Solution

The fourth proportional to 2,717.15, 3,749.81 and 1,522.07 is: 2,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.15 : 3,749.81 = 1,522.07 : x
  2. Step 2: Convert to fraction form
    2,717.15/3,749.81 = 1,522.07/x
  3. Step 3: Cross multiply
    2,717.15x = 3,749.81 × 1,522.07
  4. Step 4: Simplify right side
    2,717.15x = 5,707,446.95
  5. Step 5: Solve for x
    x = 5,707,446.95/2,717.15
  6. Step 6: Final answer
    x = 2,100.53

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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.