Home / 6,091.30-9,139.99-2,806.70

Finding the Fourth Proportional to 6,091.30, 9,139.99 and 2,806.70

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Solution

The fourth proportional to 6,091.30, 9,139.99 and 2,806.70 is: 4,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.30 : 9,139.99 = 2,806.70 : x
  2. Step 2: Convert to fraction form
    6,091.30/9,139.99 = 2,806.70/x
  3. Step 3: Cross multiply
    6,091.30x = 9,139.99 × 2,806.70
  4. Step 4: Simplify right side
    6,091.30x = 25,653,209.93
  5. Step 5: Solve for x
    x = 25,653,209.93/6,091.30
  6. Step 6: Final answer
    x = 4,211.45

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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.