Home / 3,279.76-4,525.90-1,863.41

Finding the Fourth Proportional to 3,279.76, 4,525.90 and 1,863.41

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Solution

The fourth proportional to 3,279.76, 4,525.90 and 1,863.41 is: 2,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.76 : 4,525.90 = 1,863.41 : x
  2. Step 2: Convert to fraction form
    3,279.76/4,525.90 = 1,863.41/x
  3. Step 3: Cross multiply
    3,279.76x = 4,525.90 × 1,863.41
  4. Step 4: Simplify right side
    3,279.76x = 8,433,607.32
  5. Step 5: Solve for x
    x = 8,433,607.32/3,279.76
  6. Step 6: Final answer
    x = 2,571.41

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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.