Home / 5,612.75-7,745.51-3,222.68

Finding the Fourth Proportional to 5,612.75, 7,745.51 and 3,222.68

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Solution

The fourth proportional to 5,612.75, 7,745.51 and 3,222.68 is: 4,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.75 : 7,745.51 = 3,222.68 : x
  2. Step 2: Convert to fraction form
    5,612.75/7,745.51 = 3,222.68/x
  3. Step 3: Cross multiply
    5,612.75x = 7,745.51 × 3,222.68
  4. Step 4: Simplify right side
    5,612.75x = 24,961,269.50
  5. Step 5: Solve for x
    x = 24,961,269.50/5,612.75
  6. Step 6: Final answer
    x = 4,447.24

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Double scale
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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.