Home / 3,279.15-4,525.11-1,787.04

Finding the Fourth Proportional to 3,279.15, 4,525.11 and 1,787.04

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Solution

The fourth proportional to 3,279.15, 4,525.11 and 1,787.04 is: 2,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.15 : 4,525.11 = 1,787.04 : x
  2. Step 2: Convert to fraction form
    3,279.15/4,525.11 = 1,787.04/x
  3. Step 3: Cross multiply
    3,279.15x = 4,525.11 × 1,787.04
  4. Step 4: Simplify right side
    3,279.15x = 8,086,552.57
  5. Step 5: Solve for x
    x = 8,086,552.57/3,279.15
  6. Step 6: Final answer
    x = 2,466.05

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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.