Home / 4,107.94-5,668.80-2,315.50

Finding the Fourth Proportional to 4,107.94, 5,668.80 and 2,315.50

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Solution

The fourth proportional to 4,107.94, 5,668.80 and 2,315.50 is: 3,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.94 : 5,668.80 = 2,315.50 : x
  2. Step 2: Convert to fraction form
    4,107.94/5,668.80 = 2,315.50/x
  3. Step 3: Cross multiply
    4,107.94x = 5,668.80 × 2,315.50
  4. Step 4: Simplify right side
    4,107.94x = 13,126,106.40
  5. Step 5: Solve for x
    x = 13,126,106.40/4,107.94
  6. Step 6: Final answer
    x = 3,195.30

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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.