Home / 2,083.24-2,872.02-1,611.28

Finding the Fourth Proportional to 2,083.24, 2,872.02 and 1,611.28

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Solution

The fourth proportional to 2,083.24, 2,872.02 and 1,611.28 is: 2,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.24 : 2,872.02 = 1,611.28 : x
  2. Step 2: Convert to fraction form
    2,083.24/2,872.02 = 1,611.28/x
  3. Step 3: Cross multiply
    2,083.24x = 2,872.02 × 1,611.28
  4. Step 4: Simplify right side
    2,083.24x = 4,627,628.39
  5. Step 5: Solve for x
    x = 4,627,628.39/2,083.24
  6. Step 6: Final answer
    x = 2,221.36

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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.