Home / 3,091.14-4,631.31-2,574.45

Finding the Fourth Proportional to 3,091.14, 4,631.31 and 2,574.45

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Solution

The fourth proportional to 3,091.14, 4,631.31 and 2,574.45 is: 3,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.14 : 4,631.31 = 2,574.45 : x
  2. Step 2: Convert to fraction form
    3,091.14/4,631.31 = 2,574.45/x
  3. Step 3: Cross multiply
    3,091.14x = 4,631.31 × 2,574.45
  4. Step 4: Simplify right side
    3,091.14x = 11,923,076.03
  5. Step 5: Solve for x
    x = 11,923,076.03/3,091.14
  6. Step 6: Final answer
    x = 3,857.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.