Home / 6,718.77-9,272-3,734.55

Finding the Fourth Proportional to 6,718.77, 9,272 and 3,734.55

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Solution

The fourth proportional to 6,718.77, 9,272 and 3,734.55 is: 5,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.77 : 9,272 = 3,734.55 : x
  2. Step 2: Convert to fraction form
    6,718.77/9,272 = 3,734.55/x
  3. Step 3: Cross multiply
    6,718.77x = 9,272 × 3,734.55
  4. Step 4: Simplify right side
    6,718.77x = 34,626,747.60
  5. Step 5: Solve for x
    x = 34,626,747.60/6,718.77
  6. Step 6: Final answer
    x = 5,153.73

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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.