Home / 4,487.46-6,731.34-1,200.60

Finding the Fourth Proportional to 4,487.46, 6,731.34 and 1,200.60

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Solution

The fourth proportional to 4,487.46, 6,731.34 and 1,200.60 is: 1,800.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.46 : 6,731.34 = 1,200.60 : x
  2. Step 2: Convert to fraction form
    4,487.46/6,731.34 = 1,200.60/x
  3. Step 3: Cross multiply
    4,487.46x = 6,731.34 × 1,200.60
  4. Step 4: Simplify right side
    4,487.46x = 8,081,646.80
  5. Step 5: Solve for x
    x = 8,081,646.80/4,487.46
  6. Step 6: Final answer
    x = 1,800.94

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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.