Home / 4,847.67-7,280.15-3,971.84

Finding the Fourth Proportional to 4,847.67, 7,280.15 and 3,971.84

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Solution

The fourth proportional to 4,847.67, 7,280.15 and 3,971.84 is: 5,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.67 : 7,280.15 = 3,971.84 : x
  2. Step 2: Convert to fraction form
    4,847.67/7,280.15 = 3,971.84/x
  3. Step 3: Cross multiply
    4,847.67x = 7,280.15 × 3,971.84
  4. Step 4: Simplify right side
    4,847.67x = 28,915,534.72
  5. Step 5: Solve for x
    x = 28,915,534.72/4,847.67
  6. Step 6: Final answer
    x = 5,964.83

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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.