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Finding the Fourth Proportional to 3,804.80, 5,692.08 and 3,058.40

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Solution

The fourth proportional to 3,804.80, 5,692.08 and 3,058.40 is: 4,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.80 : 5,692.08 = 3,058.40 : x
  2. Step 2: Convert to fraction form
    3,804.80/5,692.08 = 3,058.40/x
  3. Step 3: Cross multiply
    3,804.80x = 5,692.08 × 3,058.40
  4. Step 4: Simplify right side
    3,804.80x = 17,408,657.47
  5. Step 5: Solve for x
    x = 17,408,657.47/3,804.80
  6. Step 6: Final answer
    x = 4,575.45

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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.