Home / 4,745.12-6,545.54-2,755.42

Finding the Fourth Proportional to 4,745.12, 6,545.54 and 2,755.42

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Solution

The fourth proportional to 4,745.12, 6,545.54 and 2,755.42 is: 3,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.12 : 6,545.54 = 2,755.42 : x
  2. Step 2: Convert to fraction form
    4,745.12/6,545.54 = 2,755.42/x
  3. Step 3: Cross multiply
    4,745.12x = 6,545.54 × 2,755.42
  4. Step 4: Simplify right side
    4,745.12x = 18,035,711.83
  5. Step 5: Solve for x
    x = 18,035,711.83/4,745.12
  6. Step 6: Final answer
    x = 3,800.90

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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.