Home / 3,251.21-4,486.72-1,834.97

Finding the Fourth Proportional to 3,251.21, 4,486.72 and 1,834.97

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Solution

The fourth proportional to 3,251.21, 4,486.72 and 1,834.97 is: 2,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.21 : 4,486.72 = 1,834.97 : x
  2. Step 2: Convert to fraction form
    3,251.21/4,486.72 = 1,834.97/x
  3. Step 3: Cross multiply
    3,251.21x = 4,486.72 × 1,834.97
  4. Step 4: Simplify right side
    3,251.21x = 8,232,969.58
  5. Step 5: Solve for x
    x = 8,232,969.58/3,251.21
  6. Step 6: Final answer
    x = 2,532.28

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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.