Home / 4,887.18-6,745.41-4,099.86

Finding the Fourth Proportional to 4,887.18, 6,745.41 and 4,099.86

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Solution

The fourth proportional to 4,887.18, 6,745.41 and 4,099.86 is: 5,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.18 : 6,745.41 = 4,099.86 : x
  2. Step 2: Convert to fraction form
    4,887.18/6,745.41 = 4,099.86/x
  3. Step 3: Cross multiply
    4,887.18x = 6,745.41 × 4,099.86
  4. Step 4: Simplify right side
    4,887.18x = 27,655,236.64
  5. Step 5: Solve for x
    x = 27,655,236.64/4,887.18
  6. Step 6: Final answer
    x = 5,658.73

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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.