Home / 5,745.47-7,928.73-3,357.09

Finding the Fourth Proportional to 5,745.47, 7,928.73 and 3,357.09

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Solution

The fourth proportional to 5,745.47, 7,928.73 and 3,357.09 is: 4,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.47 : 7,928.73 = 3,357.09 : x
  2. Step 2: Convert to fraction form
    5,745.47/7,928.73 = 3,357.09/x
  3. Step 3: Cross multiply
    5,745.47x = 7,928.73 × 3,357.09
  4. Step 4: Simplify right side
    5,745.47x = 26,617,460.20
  5. Step 5: Solve for x
    x = 26,617,460.20/5,745.47
  6. Step 6: Final answer
    x = 4,632.78

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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.