Home / 5,947.81-8,205.87-3,556.12

Finding the Fourth Proportional to 5,947.81, 8,205.87 and 3,556.12

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Solution

The fourth proportional to 5,947.81, 8,205.87 and 3,556.12 is: 4,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.81 : 8,205.87 = 3,556.12 : x
  2. Step 2: Convert to fraction form
    5,947.81/8,205.87 = 3,556.12/x
  3. Step 3: Cross multiply
    5,947.81x = 8,205.87 × 3,556.12
  4. Step 4: Simplify right side
    5,947.81x = 29,181,020.13
  5. Step 5: Solve for x
    x = 29,181,020.13/5,947.81
  6. Step 6: Final answer
    x = 4,906.18

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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.