Home / 6,628.07-9,146.18-3,794.78

Finding the Fourth Proportional to 6,628.07, 9,146.18 and 3,794.78

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Solution

The fourth proportional to 6,628.07, 9,146.18 and 3,794.78 is: 5,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.07 : 9,146.18 = 3,794.78 : x
  2. Step 2: Convert to fraction form
    6,628.07/9,146.18 = 3,794.78/x
  3. Step 3: Cross multiply
    6,628.07x = 9,146.18 × 3,794.78
  4. Step 4: Simplify right side
    6,628.07x = 34,707,676.24
  5. Step 5: Solve for x
    x = 34,707,676.24/6,628.07
  6. Step 6: Final answer
    x = 5,236.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.