Home / 5,550.47-7,660.73-3,563.54

Finding the Fourth Proportional to 5,550.47, 7,660.73 and 3,563.54

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Solution

The fourth proportional to 5,550.47, 7,660.73 and 3,563.54 is: 4,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.47 : 7,660.73 = 3,563.54 : x
  2. Step 2: Convert to fraction form
    5,550.47/7,660.73 = 3,563.54/x
  3. Step 3: Cross multiply
    5,550.47x = 7,660.73 × 3,563.54
  4. Step 4: Simplify right side
    5,550.47x = 27,299,319.12
  5. Step 5: Solve for x
    x = 27,299,319.12/5,550.47
  6. Step 6: Final answer
    x = 4,918.38

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Half scale
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Double scale
Find fourth proportional to 5,551.47, 7,662.11 and 3,564.54
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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.