Home / 4,072.88-5,620.66-2,657.48

Finding the Fourth Proportional to 4,072.88, 5,620.66 and 2,657.48

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Solution

The fourth proportional to 4,072.88, 5,620.66 and 2,657.48 is: 3,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.88 : 5,620.66 = 2,657.48 : x
  2. Step 2: Convert to fraction form
    4,072.88/5,620.66 = 2,657.48/x
  3. Step 3: Cross multiply
    4,072.88x = 5,620.66 × 2,657.48
  4. Step 4: Simplify right side
    4,072.88x = 14,936,756.79
  5. Step 5: Solve for x
    x = 14,936,756.79/4,072.88
  6. Step 6: Final answer
    x = 3,667.37

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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.