Home / 7,868.06-11,793.45-2,670.02

Finding the Fourth Proportional to 7,868.06, 11,793.45 and 2,670.02

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Solution

The fourth proportional to 7,868.06, 11,793.45 and 2,670.02 is: 4,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.06 : 11,793.45 = 2,670.02 : x
  2. Step 2: Convert to fraction form
    7,868.06/11,793.45 = 2,670.02/x
  3. Step 3: Cross multiply
    7,868.06x = 11,793.45 × 2,670.02
  4. Step 4: Simplify right side
    7,868.06x = 31,488,747.37
  5. Step 5: Solve for x
    x = 31,488,747.37/7,868.06
  6. Step 6: Final answer
    x = 4,002.10

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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.