Home / 5,692.23-7,858.94-3,902.69

Finding the Fourth Proportional to 5,692.23, 7,858.94 and 3,902.69

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Solution

The fourth proportional to 5,692.23, 7,858.94 and 3,902.69 is: 5,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.23 : 7,858.94 = 3,902.69 : x
  2. Step 2: Convert to fraction form
    5,692.23/7,858.94 = 3,902.69/x
  3. Step 3: Cross multiply
    5,692.23x = 7,858.94 × 3,902.69
  4. Step 4: Simplify right side
    5,692.23x = 30,670,947.74
  5. Step 5: Solve for x
    x = 30,670,947.74/5,692.23
  6. Step 6: Final answer
    x = 5,388.21

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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.