Home / 6,478.67-9,720.44-2,583.38

Finding the Fourth Proportional to 6,478.67, 9,720.44 and 2,583.38

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Solution

The fourth proportional to 6,478.67, 9,720.44 and 2,583.38 is: 3,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.67 : 9,720.44 = 2,583.38 : x
  2. Step 2: Convert to fraction form
    6,478.67/9,720.44 = 2,583.38/x
  3. Step 3: Cross multiply
    6,478.67x = 9,720.44 × 2,583.38
  4. Step 4: Simplify right side
    6,478.67x = 25,111,528.77
  5. Step 5: Solve for x
    x = 25,111,528.77/6,478.67
  6. Step 6: Final answer
    x = 3,876.03

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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.