Home / 5,529.94-7,628.41-3,290.22

Finding the Fourth Proportional to 5,529.94, 7,628.41 and 3,290.22

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Solution

The fourth proportional to 5,529.94, 7,628.41 and 3,290.22 is: 4,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.94 : 7,628.41 = 3,290.22 : x
  2. Step 2: Convert to fraction form
    5,529.94/7,628.41 = 3,290.22/x
  3. Step 3: Cross multiply
    5,529.94x = 7,628.41 × 3,290.22
  4. Step 4: Simplify right side
    5,529.94x = 25,099,130.70
  5. Step 5: Solve for x
    x = 25,099,130.70/5,529.94
  6. Step 6: Final answer
    x = 4,538.77

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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.