Home / 2,896.83-3,997.63-1,570.53

Finding the Fourth Proportional to 2,896.83, 3,997.63 and 1,570.53

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Solution

The fourth proportional to 2,896.83, 3,997.63 and 1,570.53 is: 2,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.83 : 3,997.63 = 1,570.53 : x
  2. Step 2: Convert to fraction form
    2,896.83/3,997.63 = 1,570.53/x
  3. Step 3: Cross multiply
    2,896.83x = 3,997.63 × 1,570.53
  4. Step 4: Simplify right side
    2,896.83x = 6,278,393.92
  5. Step 5: Solve for x
    x = 6,278,393.92/2,896.83
  6. Step 6: Final answer
    x = 2,167.33

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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.