Home / 4,109.10-5,668.20-2,340.38

Finding the Fourth Proportional to 4,109.10, 5,668.20 and 2,340.38

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Solution

The fourth proportional to 4,109.10, 5,668.20 and 2,340.38 is: 3,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.10 : 5,668.20 = 2,340.38 : x
  2. Step 2: Convert to fraction form
    4,109.10/5,668.20 = 2,340.38/x
  3. Step 3: Cross multiply
    4,109.10x = 5,668.20 × 2,340.38
  4. Step 4: Simplify right side
    4,109.10x = 13,265,713.58
  5. Step 5: Solve for x
    x = 13,265,713.58/4,109.10
  6. Step 6: Final answer
    x = 3,228.37

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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.