Home / 4,109.34-6,169.75-2,109.43

Finding the Fourth Proportional to 4,109.34, 6,169.75 and 2,109.43

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Solution

The fourth proportional to 4,109.34, 6,169.75 and 2,109.43 is: 3,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.34 : 6,169.75 = 2,109.43 : x
  2. Step 2: Convert to fraction form
    4,109.34/6,169.75 = 2,109.43/x
  3. Step 3: Cross multiply
    4,109.34x = 6,169.75 × 2,109.43
  4. Step 4: Simplify right side
    4,109.34x = 13,014,655.74
  5. Step 5: Solve for x
    x = 13,014,655.74/4,109.34
  6. Step 6: Final answer
    x = 3,167.09

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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.