Home / 5,367.15-8,051.07-1,671.80

Finding the Fourth Proportional to 5,367.15, 8,051.07 and 1,671.80

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Solution

The fourth proportional to 5,367.15, 8,051.07 and 1,671.80 is: 2,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.15 : 8,051.07 = 1,671.80 : x
  2. Step 2: Convert to fraction form
    5,367.15/8,051.07 = 1,671.80/x
  3. Step 3: Cross multiply
    5,367.15x = 8,051.07 × 1,671.80
  4. Step 4: Simplify right side
    5,367.15x = 13,459,778.83
  5. Step 5: Solve for x
    x = 13,459,778.83/5,367.15
  6. Step 6: Final answer
    x = 2,507.81

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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.