Home / 7,820.01-11,731.77-2,625.75

Finding the Fourth Proportional to 7,820.01, 11,731.77 and 2,625.75

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Solution

The fourth proportional to 7,820.01, 11,731.77 and 2,625.75 is: 3,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.01 : 11,731.77 = 2,625.75 : x
  2. Step 2: Convert to fraction form
    7,820.01/11,731.77 = 2,625.75/x
  3. Step 3: Cross multiply
    7,820.01x = 11,731.77 × 2,625.75
  4. Step 4: Simplify right side
    7,820.01x = 30,804,695.08
  5. Step 5: Solve for x
    x = 30,804,695.08/7,820.01
  6. Step 6: Final answer
    x = 3,939.21

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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.