Home / 3,153.17-4,351.35-1,736.81

Finding the Fourth Proportional to 3,153.17, 4,351.35 and 1,736.81

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Solution

The fourth proportional to 3,153.17, 4,351.35 and 1,736.81 is: 2,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.17 : 4,351.35 = 1,736.81 : x
  2. Step 2: Convert to fraction form
    3,153.17/4,351.35 = 1,736.81/x
  3. Step 3: Cross multiply
    3,153.17x = 4,351.35 × 1,736.81
  4. Step 4: Simplify right side
    3,153.17x = 7,557,446.44
  5. Step 5: Solve for x
    x = 7,557,446.44/3,153.17
  6. Step 6: Final answer
    x = 2,396.78

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1.5x scale

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.