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Finding the Fourth Proportional to 2,896.65, 3,997.33 and 1,570.33

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Solution

The fourth proportional to 2,896.65, 3,997.33 and 1,570.33 is: 2,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.65 : 3,997.33 = 1,570.33 : x
  2. Step 2: Convert to fraction form
    2,896.65/3,997.33 = 1,570.33/x
  3. Step 3: Cross multiply
    2,896.65x = 3,997.33 × 1,570.33
  4. Step 4: Simplify right side
    2,896.65x = 6,277,127.22
  5. Step 5: Solve for x
    x = 6,277,127.22/2,896.65
  6. Step 6: Final answer
    x = 2,167.03

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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.