Home / 4,447.80-6,665.67-2,107.44

Finding the Fourth Proportional to 4,447.80, 6,665.67 and 2,107.44

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Solution

The fourth proportional to 4,447.80, 6,665.67 and 2,107.44 is: 3,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.80 : 6,665.67 = 2,107.44 : x
  2. Step 2: Convert to fraction form
    4,447.80/6,665.67 = 2,107.44/x
  3. Step 3: Cross multiply
    4,447.80x = 6,665.67 × 2,107.44
  4. Step 4: Simplify right side
    4,447.80x = 14,047,499.58
  5. Step 5: Solve for x
    x = 14,047,499.58/4,447.80
  6. Step 6: Final answer
    x = 3,158.30

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1.5x scale

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.