Home / 4,267.07-6,406.58-2,188.54

Finding the Fourth Proportional to 4,267.07, 6,406.58 and 2,188.54

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Solution

The fourth proportional to 4,267.07, 6,406.58 and 2,188.54 is: 3,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.07 : 6,406.58 = 2,188.54 : x
  2. Step 2: Convert to fraction form
    4,267.07/6,406.58 = 2,188.54/x
  3. Step 3: Cross multiply
    4,267.07x = 6,406.58 × 2,188.54
  4. Step 4: Simplify right side
    4,267.07x = 14,021,056.59
  5. Step 5: Solve for x
    x = 14,021,056.59/4,267.07
  6. Step 6: Final answer
    x = 3,285.87

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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.