Home / 3,998.17-5,518.47-2,724.16

Finding the Fourth Proportional to 3,998.17, 5,518.47 and 2,724.16

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Solution

The fourth proportional to 3,998.17, 5,518.47 and 2,724.16 is: 3,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.17 : 5,518.47 = 2,724.16 : x
  2. Step 2: Convert to fraction form
    3,998.17/5,518.47 = 2,724.16/x
  3. Step 3: Cross multiply
    3,998.17x = 5,518.47 × 2,724.16
  4. Step 4: Simplify right side
    3,998.17x = 15,033,193.53
  5. Step 5: Solve for x
    x = 15,033,193.53/3,998.17
  6. Step 6: Final answer
    x = 3,760.02

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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.