Home / 6,083.76-8,395.72-3,727.20

Finding the Fourth Proportional to 6,083.76, 8,395.72 and 3,727.20

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Solution

The fourth proportional to 6,083.76, 8,395.72 and 3,727.20 is: 5,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,083.76 : 8,395.72 = 3,727.20 : x
  2. Step 2: Convert to fraction form
    6,083.76/8,395.72 = 3,727.20/x
  3. Step 3: Cross multiply
    6,083.76x = 8,395.72 × 3,727.20
  4. Step 4: Simplify right side
    6,083.76x = 31,292,527.58
  5. Step 5: Solve for x
    x = 31,292,527.58/6,083.76
  6. Step 6: Final answer
    x = 5,143.62

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1.5x scale

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.