Home / 4,280.43-5,906.63-2,391.98

Finding the Fourth Proportional to 4,280.43, 5,906.63 and 2,391.98

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Solution

The fourth proportional to 4,280.43, 5,906.63 and 2,391.98 is: 3,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.43 : 5,906.63 = 2,391.98 : x
  2. Step 2: Convert to fraction form
    4,280.43/5,906.63 = 2,391.98/x
  3. Step 3: Cross multiply
    4,280.43x = 5,906.63 × 2,391.98
  4. Step 4: Simplify right side
    4,280.43x = 14,128,540.83
  5. Step 5: Solve for x
    x = 14,128,540.83/4,280.43
  6. Step 6: Final answer
    x = 3,300.73

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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.