Home / 7,465.64-11,191.46-2,531.79

Finding the Fourth Proportional to 7,465.64, 11,191.46 and 2,531.79

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Solution

The fourth proportional to 7,465.64, 11,191.46 and 2,531.79 is: 3,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.64 : 11,191.46 = 2,531.79 : x
  2. Step 2: Convert to fraction form
    7,465.64/11,191.46 = 2,531.79/x
  3. Step 3: Cross multiply
    7,465.64x = 11,191.46 × 2,531.79
  4. Step 4: Simplify right side
    7,465.64x = 28,334,413.85
  5. Step 5: Solve for x
    x = 28,334,413.85/7,465.64
  6. Step 6: Final answer
    x = 3,795.31

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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.