Home / 4,072.73-5,621.48-3,795.71

Finding the Fourth Proportional to 4,072.73, 5,621.48 and 3,795.71

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Solution

The fourth proportional to 4,072.73, 5,621.48 and 3,795.71 is: 5,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.73 : 5,621.48 = 3,795.71 : x
  2. Step 2: Convert to fraction form
    4,072.73/5,621.48 = 3,795.71/x
  3. Step 3: Cross multiply
    4,072.73x = 5,621.48 × 3,795.71
  4. Step 4: Simplify right side
    4,072.73x = 21,337,460.76
  5. Step 5: Solve for x
    x = 21,337,460.76/4,072.73
  6. Step 6: Final answer
    x = 5,239.11

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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.