Home / 5,778.56-8,668.20-2,315.36

Finding the Fourth Proportional to 5,778.56, 8,668.20 and 2,315.36

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Solution

The fourth proportional to 5,778.56, 8,668.20 and 2,315.36 is: 3,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.56 : 8,668.20 = 2,315.36 : x
  2. Step 2: Convert to fraction form
    5,778.56/8,668.20 = 2,315.36/x
  3. Step 3: Cross multiply
    5,778.56x = 8,668.20 × 2,315.36
  4. Step 4: Simplify right side
    5,778.56x = 20,070,003.55
  5. Step 5: Solve for x
    x = 20,070,003.55/5,778.56
  6. Step 6: Final answer
    x = 3,473.18

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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.