Home / 2,418.35-3,627.32-1,712.64

Finding the Fourth Proportional to 2,418.35, 3,627.32 and 1,712.64

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Solution

The fourth proportional to 2,418.35, 3,627.32 and 1,712.64 is: 2,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.35 : 3,627.32 = 1,712.64 : x
  2. Step 2: Convert to fraction form
    2,418.35/3,627.32 = 1,712.64/x
  3. Step 3: Cross multiply
    2,418.35x = 3,627.32 × 1,712.64
  4. Step 4: Simplify right side
    2,418.35x = 6,212,266.63
  5. Step 5: Solve for x
    x = 6,212,266.63/2,418.35
  6. Step 6: Final answer
    x = 2,568.81

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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.