Home / 6,745.90-9,305.86-4,507.06

Finding the Fourth Proportional to 6,745.90, 9,305.86 and 4,507.06

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Solution

The fourth proportional to 6,745.90, 9,305.86 and 4,507.06 is: 6,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.90 : 9,305.86 = 4,507.06 : x
  2. Step 2: Convert to fraction form
    6,745.90/9,305.86 = 4,507.06/x
  3. Step 3: Cross multiply
    6,745.90x = 9,305.86 × 4,507.06
  4. Step 4: Simplify right side
    6,745.90x = 41,942,069.37
  5. Step 5: Solve for x
    x = 41,942,069.37/6,745.90
  6. Step 6: Final answer
    x = 6,217.42

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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.