Home / 3,091.47-4,265.96-1,832.31

Finding the Fourth Proportional to 3,091.47, 4,265.96 and 1,832.31

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Solution

The fourth proportional to 3,091.47, 4,265.96 and 1,832.31 is: 2,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.47 : 4,265.96 = 1,832.31 : x
  2. Step 2: Convert to fraction form
    3,091.47/4,265.96 = 1,832.31/x
  3. Step 3: Cross multiply
    3,091.47x = 4,265.96 × 1,832.31
  4. Step 4: Simplify right side
    3,091.47x = 7,816,552.01
  5. Step 5: Solve for x
    x = 7,816,552.01/3,091.47
  6. Step 6: Final answer
    x = 2,528.43

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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.