Home / 3,504.97-4,836.72-1,911.57

Finding the Fourth Proportional to 3,504.97, 4,836.72 and 1,911.57

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Solution

The fourth proportional to 3,504.97, 4,836.72 and 1,911.57 is: 2,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.97 : 4,836.72 = 1,911.57 : x
  2. Step 2: Convert to fraction form
    3,504.97/4,836.72 = 1,911.57/x
  3. Step 3: Cross multiply
    3,504.97x = 4,836.72 × 1,911.57
  4. Step 4: Simplify right side
    3,504.97x = 9,245,728.85
  5. Step 5: Solve for x
    x = 9,245,728.85/3,504.97
  6. Step 6: Final answer
    x = 2,637.89

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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.