Home / 4,106.92-5,668.20-2,615.50

Finding the Fourth Proportional to 4,106.92, 5,668.20 and 2,615.50

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Solution

The fourth proportional to 4,106.92, 5,668.20 and 2,615.50 is: 3,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.92 : 5,668.20 = 2,615.50 : x
  2. Step 2: Convert to fraction form
    4,106.92/5,668.20 = 2,615.50/x
  3. Step 3: Cross multiply
    4,106.92x = 5,668.20 × 2,615.50
  4. Step 4: Simplify right side
    4,106.92x = 14,825,177.10
  5. Step 5: Solve for x
    x = 14,825,177.10/4,106.92
  6. Step 6: Final answer
    x = 3,609.80

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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.