Home / 3,305.13-4,558.45-2,809.41

Finding the Fourth Proportional to 3,305.13, 4,558.45 and 2,809.41

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Solution

The fourth proportional to 3,305.13, 4,558.45 and 2,809.41 is: 3,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.13 : 4,558.45 = 2,809.41 : x
  2. Step 2: Convert to fraction form
    3,305.13/4,558.45 = 2,809.41/x
  3. Step 3: Cross multiply
    3,305.13x = 4,558.45 × 2,809.41
  4. Step 4: Simplify right side
    3,305.13x = 12,806,555.01
  5. Step 5: Solve for x
    x = 12,806,555.01/3,305.13
  6. Step 6: Final answer
    x = 3,874.75

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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.