Home / 2,398.15-3,596.66-917.06

Finding the Fourth Proportional to 2,398.15, 3,596.66 and 917.06

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Solution

The fourth proportional to 2,398.15, 3,596.66 and 917.06 is: 1,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.15 : 3,596.66 = 917.06 : x
  2. Step 2: Convert to fraction form
    2,398.15/3,596.66 = 917.06/x
  3. Step 3: Cross multiply
    2,398.15x = 3,596.66 × 917.06
  4. Step 4: Simplify right side
    2,398.15x = 3,298,348.43
  5. Step 5: Solve for x
    x = 3,298,348.43/2,398.15
  6. Step 6: Final answer
    x = 1,375.37

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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.