Home / 2,961.42-4,073.67-2,841.54

Finding the Fourth Proportional to 2,961.42, 4,073.67 and 2,841.54

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Solution

The fourth proportional to 2,961.42, 4,073.67 and 2,841.54 is: 3,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.42 : 4,073.67 = 2,841.54 : x
  2. Step 2: Convert to fraction form
    2,961.42/4,073.67 = 2,841.54/x
  3. Step 3: Cross multiply
    2,961.42x = 4,073.67 × 2,841.54
  4. Step 4: Simplify right side
    2,961.42x = 11,575,496.25
  5. Step 5: Solve for x
    x = 11,575,496.25/2,961.42
  6. Step 6: Final answer
    x = 3,908.77

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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.