Home / 7,790.88-10,751.69-4,805.02

Finding the Fourth Proportional to 7,790.88, 10,751.69 and 4,805.02

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Solution

The fourth proportional to 7,790.88, 10,751.69 and 4,805.02 is: 6,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.88 : 10,751.69 = 4,805.02 : x
  2. Step 2: Convert to fraction form
    7,790.88/10,751.69 = 4,805.02/x
  3. Step 3: Cross multiply
    7,790.88x = 10,751.69 × 4,805.02
  4. Step 4: Simplify right side
    7,790.88x = 51,662,083.91
  5. Step 5: Solve for x
    x = 51,662,083.91/7,790.88
  6. Step 6: Final answer
    x = 6,631.09

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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.