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Finding the Fourth Proportional to 2,653.02, 3,976.79 and 897.44

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Solution

The fourth proportional to 2,653.02, 3,976.79 and 897.44 is: 1,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.02 : 3,976.79 = 897.44 : x
  2. Step 2: Convert to fraction form
    2,653.02/3,976.79 = 897.44/x
  3. Step 3: Cross multiply
    2,653.02x = 3,976.79 × 897.44
  4. Step 4: Simplify right side
    2,653.02x = 3,568,935.87
  5. Step 5: Solve for x
    x = 3,568,935.87/2,653.02
  6. Step 6: Final answer
    x = 1,345.24

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Similar ratio
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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.