Home / 5,227.07-7,213.47-2,869.37

Finding the Fourth Proportional to 5,227.07, 7,213.47 and 2,869.37

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Solution

The fourth proportional to 5,227.07, 7,213.47 and 2,869.37 is: 3,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.07 : 7,213.47 = 2,869.37 : x
  2. Step 2: Convert to fraction form
    5,227.07/7,213.47 = 2,869.37/x
  3. Step 3: Cross multiply
    5,227.07x = 7,213.47 × 2,869.37
  4. Step 4: Simplify right side
    5,227.07x = 20,698,114.41
  5. Step 5: Solve for x
    x = 20,698,114.41/5,227.07
  6. Step 6: Final answer
    x = 3,959.79

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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.