Home / 5,518.96-8,276.20-3,583.60

Finding the Fourth Proportional to 5,518.96, 8,276.20 and 3,583.60

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Solution

The fourth proportional to 5,518.96, 8,276.20 and 3,583.60 is: 5,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.96 : 8,276.20 = 3,583.60 : x
  2. Step 2: Convert to fraction form
    5,518.96/8,276.20 = 3,583.60/x
  3. Step 3: Cross multiply
    5,518.96x = 8,276.20 × 3,583.60
  4. Step 4: Simplify right side
    5,518.96x = 29,658,590.32
  5. Step 5: Solve for x
    x = 29,658,590.32/5,518.96
  6. Step 6: Final answer
    x = 5,373.95

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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.