Home / 7,942.02-11,913.04-2,745.06

Finding the Fourth Proportional to 7,942.02, 11,913.04 and 2,745.06

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Solution

The fourth proportional to 7,942.02, 11,913.04 and 2,745.06 is: 4,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.02 : 11,913.04 = 2,745.06 : x
  2. Step 2: Convert to fraction form
    7,942.02/11,913.04 = 2,745.06/x
  3. Step 3: Cross multiply
    7,942.02x = 11,913.04 × 2,745.06
  4. Step 4: Simplify right side
    7,942.02x = 32,702,009.58
  5. Step 5: Solve for x
    x = 32,702,009.58/7,942.02
  6. Step 6: Final answer
    x = 4,117.59

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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.