Home / 2,896.58-3,997.26-1,570.27

Finding the Fourth Proportional to 2,896.58, 3,997.26 and 1,570.27

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Solution

The fourth proportional to 2,896.58, 3,997.26 and 1,570.27 is: 2,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.58 : 3,997.26 = 1,570.27 : x
  2. Step 2: Convert to fraction form
    2,896.58/3,997.26 = 1,570.27/x
  3. Step 3: Cross multiply
    2,896.58x = 3,997.26 × 1,570.27
  4. Step 4: Simplify right side
    2,896.58x = 6,276,767.47
  5. Step 5: Solve for x
    x = 6,276,767.47/2,896.58
  6. Step 6: Final answer
    x = 2,166.96

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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.