Home / 3,610.73-5,415.27-1,661.06

Finding the Fourth Proportional to 3,610.73, 5,415.27 and 1,661.06

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Solution

The fourth proportional to 3,610.73, 5,415.27 and 1,661.06 is: 2,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.73 : 5,415.27 = 1,661.06 : x
  2. Step 2: Convert to fraction form
    3,610.73/5,415.27 = 1,661.06/x
  3. Step 3: Cross multiply
    3,610.73x = 5,415.27 × 1,661.06
  4. Step 4: Simplify right side
    3,610.73x = 8,995,088.39
  5. Step 5: Solve for x
    x = 8,995,088.39/3,610.73
  6. Step 6: Final answer
    x = 2,491.21

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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.