Home / 6,743.22-10,120.12-4,677.75

Finding the Fourth Proportional to 6,743.22, 10,120.12 and 4,677.75

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Solution

The fourth proportional to 6,743.22, 10,120.12 and 4,677.75 is: 7,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.22 : 10,120.12 = 4,677.75 : x
  2. Step 2: Convert to fraction form
    6,743.22/10,120.12 = 4,677.75/x
  3. Step 3: Cross multiply
    6,743.22x = 10,120.12 × 4,677.75
  4. Step 4: Simplify right side
    6,743.22x = 47,339,417.59
  5. Step 5: Solve for x
    x = 47,339,417.59/6,743.22
  6. Step 6: Final answer
    x = 7,020.30

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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.