Home / 3,105.09-4,652.21-2,588.41

Finding the Fourth Proportional to 3,105.09, 4,652.21 and 2,588.41

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Solution

The fourth proportional to 3,105.09, 4,652.21 and 2,588.41 is: 3,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.09 : 4,652.21 = 2,588.41 : x
  2. Step 2: Convert to fraction form
    3,105.09/4,652.21 = 2,588.41/x
  3. Step 3: Cross multiply
    3,105.09x = 4,652.21 × 2,588.41
  4. Step 4: Simplify right side
    3,105.09x = 12,041,826.89
  5. Step 5: Solve for x
    x = 12,041,826.89/3,105.09
  6. Step 6: Final answer
    x = 3,878.09

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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.