Home / 7,835.16-11,752.78-2,641.08

Finding the Fourth Proportional to 7,835.16, 11,752.78 and 2,641.08

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Solution

The fourth proportional to 7,835.16, 11,752.78 and 2,641.08 is: 3,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.16 : 11,752.78 = 2,641.08 : x
  2. Step 2: Convert to fraction form
    7,835.16/11,752.78 = 2,641.08/x
  3. Step 3: Cross multiply
    7,835.16x = 11,752.78 × 2,641.08
  4. Step 4: Simplify right side
    7,835.16x = 31,040,032.20
  5. Step 5: Solve for x
    x = 31,040,032.20/7,835.16
  6. Step 6: Final answer
    x = 3,961.63

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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.