Home / 7,731.68-11,596.18-3,571.34

Finding the Fourth Proportional to 7,731.68, 11,596.18 and 3,571.34

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Solution

The fourth proportional to 7,731.68, 11,596.18 and 3,571.34 is: 5,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.68 : 11,596.18 = 3,571.34 : x
  2. Step 2: Convert to fraction form
    7,731.68/11,596.18 = 3,571.34/x
  3. Step 3: Cross multiply
    7,731.68x = 11,596.18 × 3,571.34
  4. Step 4: Simplify right side
    7,731.68x = 41,413,901.48
  5. Step 5: Solve for x
    x = 41,413,901.48/7,731.68
  6. Step 6: Final answer
    x = 5,356.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.