Home / 3,031.75-4,183.86-1,852.57

Finding the Fourth Proportional to 3,031.75, 4,183.86 and 1,852.57

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Solution

The fourth proportional to 3,031.75, 4,183.86 and 1,852.57 is: 2,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.75 : 4,183.86 = 1,852.57 : x
  2. Step 2: Convert to fraction form
    3,031.75/4,183.86 = 1,852.57/x
  3. Step 3: Cross multiply
    3,031.75x = 4,183.86 × 1,852.57
  4. Step 4: Simplify right side
    3,031.75x = 7,750,893.52
  5. Step 5: Solve for x
    x = 7,750,893.52/3,031.75
  6. Step 6: Final answer
    x = 2,556.57

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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.