Home / 7,167.12-10,745.00-3,416.93

Finding the Fourth Proportional to 7,167.12, 10,745.00 and 3,416.93

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Solution

The fourth proportional to 7,167.12, 10,745.00 and 3,416.93 is: 5,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.12 : 10,745.00 = 3,416.93 : x
  2. Step 2: Convert to fraction form
    7,167.12/10,745.00 = 3,416.93/x
  3. Step 3: Cross multiply
    7,167.12x = 10,745.00 × 3,416.93
  4. Step 4: Simplify right side
    7,167.12x = 36,714,940.81
  5. Step 5: Solve for x
    x = 36,714,940.81/7,167.12
  6. Step 6: Final answer
    x = 5,122.69

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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.