Home / 3,031.96-4,182.62-1,850.98

Finding the Fourth Proportional to 3,031.96, 4,182.62 and 1,850.98

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Solution

The fourth proportional to 3,031.96, 4,182.62 and 1,850.98 is: 2,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.96 : 4,182.62 = 1,850.98 : x
  2. Step 2: Convert to fraction form
    3,031.96/4,182.62 = 1,850.98/x
  3. Step 3: Cross multiply
    3,031.96x = 4,182.62 × 1,850.98
  4. Step 4: Simplify right side
    3,031.96x = 7,741,945.97
  5. Step 5: Solve for x
    x = 7,741,945.97/3,031.96
  6. Step 6: Final answer
    x = 2,553.45

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Double scale
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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.