Home / 5,745.28-8,617.36-1,852.48

Finding the Fourth Proportional to 5,745.28, 8,617.36 and 1,852.48

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Solution

The fourth proportional to 5,745.28, 8,617.36 and 1,852.48 is: 2,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.28 : 8,617.36 = 1,852.48 : x
  2. Step 2: Convert to fraction form
    5,745.28/8,617.36 = 1,852.48/x
  3. Step 3: Cross multiply
    5,745.28x = 8,617.36 × 1,852.48
  4. Step 4: Simplify right side
    5,745.28x = 15,963,487.05
  5. Step 5: Solve for x
    x = 15,963,487.05/5,745.28
  6. Step 6: Final answer
    x = 2,778.54

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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.