Home / 6,759.66-10,140.36-2,079.98

Finding the Fourth Proportional to 6,759.66, 10,140.36 and 2,079.98

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Solution

The fourth proportional to 6,759.66, 10,140.36 and 2,079.98 is: 3,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.66 : 10,140.36 = 2,079.98 : x
  2. Step 2: Convert to fraction form
    6,759.66/10,140.36 = 2,079.98/x
  3. Step 3: Cross multiply
    6,759.66x = 10,140.36 × 2,079.98
  4. Step 4: Simplify right side
    6,759.66x = 21,091,745.99
  5. Step 5: Solve for x
    x = 21,091,745.99/6,759.66
  6. Step 6: Final answer
    x = 3,120.24

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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.