Home / 2,697.57-3,722.34-1,518.61

Finding the Fourth Proportional to 2,697.57, 3,722.34 and 1,518.61

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Solution

The fourth proportional to 2,697.57, 3,722.34 and 1,518.61 is: 2,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.57 : 3,722.34 = 1,518.61 : x
  2. Step 2: Convert to fraction form
    2,697.57/3,722.34 = 1,518.61/x
  3. Step 3: Cross multiply
    2,697.57x = 3,722.34 × 1,518.61
  4. Step 4: Simplify right side
    2,697.57x = 5,652,782.75
  5. Step 5: Solve for x
    x = 5,652,782.75/2,697.57
  6. Step 6: Final answer
    x = 2,095.51

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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.