Home / 5,069.80-7,605.18-2,107.62

Finding the Fourth Proportional to 5,069.80, 7,605.18 and 2,107.62

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Solution

The fourth proportional to 5,069.80, 7,605.18 and 2,107.62 is: 3,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.80 : 7,605.18 = 2,107.62 : x
  2. Step 2: Convert to fraction form
    5,069.80/7,605.18 = 2,107.62/x
  3. Step 3: Cross multiply
    5,069.80x = 7,605.18 × 2,107.62
  4. Step 4: Simplify right side
    5,069.80x = 16,028,829.47
  5. Step 5: Solve for x
    x = 16,028,829.47/5,069.80
  6. Step 6: Final answer
    x = 3,161.63

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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.