Home / 5,181.93-7,776.83-3,798.79

Finding the Fourth Proportional to 5,181.93, 7,776.83 and 3,798.79

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Solution

The fourth proportional to 5,181.93, 7,776.83 and 3,798.79 is: 5,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.93 : 7,776.83 = 3,798.79 : x
  2. Step 2: Convert to fraction form
    5,181.93/7,776.83 = 3,798.79/x
  3. Step 3: Cross multiply
    5,181.93x = 7,776.83 × 3,798.79
  4. Step 4: Simplify right side
    5,181.93x = 29,542,534.09
  5. Step 5: Solve for x
    x = 29,542,534.09/5,181.93
  6. Step 6: Final answer
    x = 5,701.07

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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.