Home / 7,755.31-11,637.53-2,825.25

Finding the Fourth Proportional to 7,755.31, 11,637.53 and 2,825.25

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Solution

The fourth proportional to 7,755.31, 11,637.53 and 2,825.25 is: 4,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.31 : 11,637.53 = 2,825.25 : x
  2. Step 2: Convert to fraction form
    7,755.31/11,637.53 = 2,825.25/x
  3. Step 3: Cross multiply
    7,755.31x = 11,637.53 × 2,825.25
  4. Step 4: Simplify right side
    7,755.31x = 32,878,931.63
  5. Step 5: Solve for x
    x = 32,878,931.63/7,755.31
  6. Step 6: Final answer
    x = 4,239.54

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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.