Home / 2,961.41-4,086.69-1,635.08

Finding the Fourth Proportional to 2,961.41, 4,086.69 and 1,635.08

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Solution

The fourth proportional to 2,961.41, 4,086.69 and 1,635.08 is: 2,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.41 : 4,086.69 = 1,635.08 : x
  2. Step 2: Convert to fraction form
    2,961.41/4,086.69 = 1,635.08/x
  3. Step 3: Cross multiply
    2,961.41x = 4,086.69 × 1,635.08
  4. Step 4: Simplify right side
    2,961.41x = 6,682,065.09
  5. Step 5: Solve for x
    x = 6,682,065.09/2,961.41
  6. Step 6: Final answer
    x = 2,256.38

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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.