Home / 3,153.06-4,351.14-1,736.78

Finding the Fourth Proportional to 3,153.06, 4,351.14 and 1,736.78

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Solution

The fourth proportional to 3,153.06, 4,351.14 and 1,736.78 is: 2,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.06 : 4,351.14 = 1,736.78 : x
  2. Step 2: Convert to fraction form
    3,153.06/4,351.14 = 1,736.78/x
  3. Step 3: Cross multiply
    3,153.06x = 4,351.14 × 1,736.78
  4. Step 4: Simplify right side
    3,153.06x = 7,556,951.17
  5. Step 5: Solve for x
    x = 7,556,951.17/3,153.06
  6. Step 6: Final answer
    x = 2,396.70

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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.