Home / 7,273.11-10,909.67-2,078.98

Finding the Fourth Proportional to 7,273.11, 10,909.67 and 2,078.98

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Solution

The fourth proportional to 7,273.11, 10,909.67 and 2,078.98 is: 3,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.11 : 10,909.67 = 2,078.98 : x
  2. Step 2: Convert to fraction form
    7,273.11/10,909.67 = 2,078.98/x
  3. Step 3: Cross multiply
    7,273.11x = 10,909.67 × 2,078.98
  4. Step 4: Simplify right side
    7,273.11x = 22,680,985.74
  5. Step 5: Solve for x
    x = 22,680,985.74/7,273.11
  6. Step 6: Final answer
    x = 3,118.47

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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.