Home / 7,833.78-11,751.75-2,641.14

Finding the Fourth Proportional to 7,833.78, 11,751.75 and 2,641.14

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Solution

The fourth proportional to 7,833.78, 11,751.75 and 2,641.14 is: 3,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.78 : 11,751.75 = 2,641.14 : x
  2. Step 2: Convert to fraction form
    7,833.78/11,751.75 = 2,641.14/x
  3. Step 3: Cross multiply
    7,833.78x = 11,751.75 × 2,641.14
  4. Step 4: Simplify right side
    7,833.78x = 31,038,017.00
  5. Step 5: Solve for x
    x = 31,038,017.00/7,833.78
  6. Step 6: Final answer
    x = 3,962.07

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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.