Home / 6,191.51-8,544.30-3,538.99

Finding the Fourth Proportional to 6,191.51, 8,544.30 and 3,538.99

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Solution

The fourth proportional to 6,191.51, 8,544.30 and 3,538.99 is: 4,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.51 : 8,544.30 = 3,538.99 : x
  2. Step 2: Convert to fraction form
    6,191.51/8,544.30 = 3,538.99/x
  3. Step 3: Cross multiply
    6,191.51x = 8,544.30 × 3,538.99
  4. Step 4: Simplify right side
    6,191.51x = 30,238,149.54
  5. Step 5: Solve for x
    x = 30,238,149.54/6,191.51
  6. Step 6: Final answer
    x = 4,883.81

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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.