Home / 5,905.28-8,856.24-1,745.60

Finding the Fourth Proportional to 5,905.28, 8,856.24 and 1,745.60

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Solution

The fourth proportional to 5,905.28, 8,856.24 and 1,745.60 is: 2,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.28 : 8,856.24 = 1,745.60 : x
  2. Step 2: Convert to fraction form
    5,905.28/8,856.24 = 1,745.60/x
  3. Step 3: Cross multiply
    5,905.28x = 8,856.24 × 1,745.60
  4. Step 4: Simplify right side
    5,905.28x = 15,459,452.54
  5. Step 5: Solve for x
    x = 15,459,452.54/5,905.28
  6. Step 6: Final answer
    x = 2,617.90

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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.