Home / 6,750.72-10,125.81-2,070.54

Finding the Fourth Proportional to 6,750.72, 10,125.81 and 2,070.54

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Solution

The fourth proportional to 6,750.72, 10,125.81 and 2,070.54 is: 3,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.72 : 10,125.81 = 2,070.54 : x
  2. Step 2: Convert to fraction form
    6,750.72/10,125.81 = 2,070.54/x
  3. Step 3: Cross multiply
    6,750.72x = 10,125.81 × 2,070.54
  4. Step 4: Simplify right side
    6,750.72x = 20,965,894.64
  5. Step 5: Solve for x
    x = 20,965,894.64/6,750.72
  6. Step 6: Final answer
    x = 3,105.73

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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.