Home / 6,531.03-9,008.72-3,876.57

Finding the Fourth Proportional to 6,531.03, 9,008.72 and 3,876.57

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Solution

The fourth proportional to 6,531.03, 9,008.72 and 3,876.57 is: 5,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.03 : 9,008.72 = 3,876.57 : x
  2. Step 2: Convert to fraction form
    6,531.03/9,008.72 = 3,876.57/x
  3. Step 3: Cross multiply
    6,531.03x = 9,008.72 × 3,876.57
  4. Step 4: Simplify right side
    6,531.03x = 34,922,914.31
  5. Step 5: Solve for x
    x = 34,922,914.31/6,531.03
  6. Step 6: Final answer
    x = 5,347.23

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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.