Home / 7,269.15-10,903.80-3,106.56

Finding the Fourth Proportional to 7,269.15, 10,903.80 and 3,106.56

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Solution

The fourth proportional to 7,269.15, 10,903.80 and 3,106.56 is: 4,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.15 : 10,903.80 = 3,106.56 : x
  2. Step 2: Convert to fraction form
    7,269.15/10,903.80 = 3,106.56/x
  3. Step 3: Cross multiply
    7,269.15x = 10,903.80 × 3,106.56
  4. Step 4: Simplify right side
    7,269.15x = 33,873,308.93
  5. Step 5: Solve for x
    x = 33,873,308.93/7,269.15
  6. Step 6: Final answer
    x = 4,659.87

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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.