Home / 6,262.67-8,639.46-4,139.03

Finding the Fourth Proportional to 6,262.67, 8,639.46 and 4,139.03

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Solution

The fourth proportional to 6,262.67, 8,639.46 and 4,139.03 is: 5,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.67 : 8,639.46 = 4,139.03 : x
  2. Step 2: Convert to fraction form
    6,262.67/8,639.46 = 4,139.03/x
  3. Step 3: Cross multiply
    6,262.67x = 8,639.46 × 4,139.03
  4. Step 4: Simplify right side
    6,262.67x = 35,758,940.93
  5. Step 5: Solve for x
    x = 35,758,940.93/6,262.67
  6. Step 6: Final answer
    x = 5,709.86

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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.