Home / 3,265.06-4,505.83-1,921.57

Finding the Fourth Proportional to 3,265.06, 4,505.83 and 1,921.57

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Solution

The fourth proportional to 3,265.06, 4,505.83 and 1,921.57 is: 2,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.06 : 4,505.83 = 1,921.57 : x
  2. Step 2: Convert to fraction form
    3,265.06/4,505.83 = 1,921.57/x
  3. Step 3: Cross multiply
    3,265.06x = 4,505.83 × 1,921.57
  4. Step 4: Simplify right side
    3,265.06x = 8,658,277.03
  5. Step 5: Solve for x
    x = 8,658,277.03/3,265.06
  6. Step 6: Final answer
    x = 2,651.80

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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.