Home / 5,680.92-7,839.23-3,162.83

Finding the Fourth Proportional to 5,680.92, 7,839.23 and 3,162.83

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Solution

The fourth proportional to 5,680.92, 7,839.23 and 3,162.83 is: 4,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.92 : 7,839.23 = 3,162.83 : x
  2. Step 2: Convert to fraction form
    5,680.92/7,839.23 = 3,162.83/x
  3. Step 3: Cross multiply
    5,680.92x = 7,839.23 × 3,162.83
  4. Step 4: Simplify right side
    5,680.92x = 24,794,096.81
  5. Step 5: Solve for x
    x = 24,794,096.81/5,680.92
  6. Step 6: Final answer
    x = 4,364.45

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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.