Home / 3,031.75-4,183.77-1,705.33

Finding the Fourth Proportional to 3,031.75, 4,183.77 and 1,705.33

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Solution

The fourth proportional to 3,031.75, 4,183.77 and 1,705.33 is: 2,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.75 : 4,183.77 = 1,705.33 : x
  2. Step 2: Convert to fraction form
    3,031.75/4,183.77 = 1,705.33/x
  3. Step 3: Cross multiply
    3,031.75x = 4,183.77 × 1,705.33
  4. Step 4: Simplify right side
    3,031.75x = 7,134,708.49
  5. Step 5: Solve for x
    x = 7,134,708.49/3,031.75
  6. Step 6: Final answer
    x = 2,353.33

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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.