Home / 3,091.68-4,265.46-1,896.66

Finding the Fourth Proportional to 3,091.68, 4,265.46 and 1,896.66

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Solution

The fourth proportional to 3,091.68, 4,265.46 and 1,896.66 is: 2,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.68 : 4,265.46 = 1,896.66 : x
  2. Step 2: Convert to fraction form
    3,091.68/4,265.46 = 1,896.66/x
  3. Step 3: Cross multiply
    3,091.68x = 4,265.46 × 1,896.66
  4. Step 4: Simplify right side
    3,091.68x = 8,090,127.36
  5. Step 5: Solve for x
    x = 8,090,127.36/3,091.68
  6. Step 6: Final answer
    x = 2,616.74

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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.