Home / 4,672.61-7,008.94-1,209.86

Finding the Fourth Proportional to 4,672.61, 7,008.94 and 1,209.86

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Solution

The fourth proportional to 4,672.61, 7,008.94 and 1,209.86 is: 1,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.61 : 7,008.94 = 1,209.86 : x
  2. Step 2: Convert to fraction form
    4,672.61/7,008.94 = 1,209.86/x
  3. Step 3: Cross multiply
    4,672.61x = 7,008.94 × 1,209.86
  4. Step 4: Simplify right side
    4,672.61x = 8,479,836.15
  5. Step 5: Solve for x
    x = 8,479,836.15/4,672.61
  6. Step 6: Final answer
    x = 1,814.80

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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.