Home / 4,114.64-6,172.68-1,517.60

Finding the Fourth Proportional to 4,114.64, 6,172.68 and 1,517.60

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Solution

The fourth proportional to 4,114.64, 6,172.68 and 1,517.60 is: 2,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.64 : 6,172.68 = 1,517.60 : x
  2. Step 2: Convert to fraction form
    4,114.64/6,172.68 = 1,517.60/x
  3. Step 3: Cross multiply
    4,114.64x = 6,172.68 × 1,517.60
  4. Step 4: Simplify right side
    4,114.64x = 9,367,659.17
  5. Step 5: Solve for x
    x = 9,367,659.17/4,114.64
  6. Step 6: Final answer
    x = 2,276.67

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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.