Home / 5,219.63-7,203.14-2,951.09

Finding the Fourth Proportional to 5,219.63, 7,203.14 and 2,951.09

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Solution

The fourth proportional to 5,219.63, 7,203.14 and 2,951.09 is: 4,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.63 : 7,203.14 = 2,951.09 : x
  2. Step 2: Convert to fraction form
    5,219.63/7,203.14 = 2,951.09/x
  3. Step 3: Cross multiply
    5,219.63x = 7,203.14 × 2,951.09
  4. Step 4: Simplify right side
    5,219.63x = 21,257,101.73
  5. Step 5: Solve for x
    x = 21,257,101.73/5,219.63
  6. Step 6: Final answer
    x = 4,072.53

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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.