Home / 2,018.02-3,026.26-785.27

Finding the Fourth Proportional to 2,018.02, 3,026.26 and 785.27

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Solution

The fourth proportional to 2,018.02, 3,026.26 and 785.27 is: 1,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.02 : 3,026.26 = 785.27 : x
  2. Step 2: Convert to fraction form
    2,018.02/3,026.26 = 785.27/x
  3. Step 3: Cross multiply
    2,018.02x = 3,026.26 × 785.27
  4. Step 4: Simplify right side
    2,018.02x = 2,376,431.19
  5. Step 5: Solve for x
    x = 2,376,431.19/2,018.02
  6. Step 6: Final answer
    x = 1,177.61

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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.