Home / 4,847.12-7,269.68-1,383.60

Finding the Fourth Proportional to 4,847.12, 7,269.68 and 1,383.60

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Solution

The fourth proportional to 4,847.12, 7,269.68 and 1,383.60 is: 2,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.12 : 7,269.68 = 1,383.60 : x
  2. Step 2: Convert to fraction form
    4,847.12/7,269.68 = 1,383.60/x
  3. Step 3: Cross multiply
    4,847.12x = 7,269.68 × 1,383.60
  4. Step 4: Simplify right side
    4,847.12x = 10,058,329.25
  5. Step 5: Solve for x
    x = 10,058,329.25/4,847.12
  6. Step 6: Final answer
    x = 2,075.11

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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.