Home / 7,272.70-10,907.49-3,322.84

Finding the Fourth Proportional to 7,272.70, 10,907.49 and 3,322.84

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Solution

The fourth proportional to 7,272.70, 10,907.49 and 3,322.84 is: 4,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.70 : 10,907.49 = 3,322.84 : x
  2. Step 2: Convert to fraction form
    7,272.70/10,907.49 = 3,322.84/x
  3. Step 3: Cross multiply
    7,272.70x = 10,907.49 × 3,322.84
  4. Step 4: Simplify right side
    7,272.70x = 36,243,844.07
  5. Step 5: Solve for x
    x = 36,243,844.07/7,272.70
  6. Step 6: Final answer
    x = 4,983.55

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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.