Home / 4,072.37-5,620.47-2,580.43

Finding the Fourth Proportional to 4,072.37, 5,620.47 and 2,580.43

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Solution

The fourth proportional to 4,072.37, 5,620.47 and 2,580.43 is: 3,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.37 : 5,620.47 = 2,580.43 : x
  2. Step 2: Convert to fraction form
    4,072.37/5,620.47 = 2,580.43/x
  3. Step 3: Cross multiply
    4,072.37x = 5,620.47 × 2,580.43
  4. Step 4: Simplify right side
    4,072.37x = 14,503,201.30
  5. Step 5: Solve for x
    x = 14,503,201.30/4,072.37
  6. Step 6: Final answer
    x = 3,561.37

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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.