Home / 5,065.46-6,990.81-2,827.54

Finding the Fourth Proportional to 5,065.46, 6,990.81 and 2,827.54

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Solution

The fourth proportional to 5,065.46, 6,990.81 and 2,827.54 is: 3,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.46 : 6,990.81 = 2,827.54 : x
  2. Step 2: Convert to fraction form
    5,065.46/6,990.81 = 2,827.54/x
  3. Step 3: Cross multiply
    5,065.46x = 6,990.81 × 2,827.54
  4. Step 4: Simplify right side
    5,065.46x = 19,766,794.91
  5. Step 5: Solve for x
    x = 19,766,794.91/5,065.46
  6. Step 6: Final answer
    x = 3,902.27

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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.