Home / 4,191.51-6,284.16-2,109.99

Finding the Fourth Proportional to 4,191.51, 6,284.16 and 2,109.99

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Solution

The fourth proportional to 4,191.51, 6,284.16 and 2,109.99 is: 3,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.51 : 6,284.16 = 2,109.99 : x
  2. Step 2: Convert to fraction form
    4,191.51/6,284.16 = 2,109.99/x
  3. Step 3: Cross multiply
    4,191.51x = 6,284.16 × 2,109.99
  4. Step 4: Simplify right side
    4,191.51x = 13,259,514.76
  5. Step 5: Solve for x
    x = 13,259,514.76/4,191.51
  6. Step 6: Final answer
    x = 3,163.42

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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.