Home / 5,912.76-8,864.82-2,212.68

Finding the Fourth Proportional to 5,912.76, 8,864.82 and 2,212.68

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Solution

The fourth proportional to 5,912.76, 8,864.82 and 2,212.68 is: 3,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.76 : 8,864.82 = 2,212.68 : x
  2. Step 2: Convert to fraction form
    5,912.76/8,864.82 = 2,212.68/x
  3. Step 3: Cross multiply
    5,912.76x = 8,864.82 × 2,212.68
  4. Step 4: Simplify right side
    5,912.76x = 19,615,009.92
  5. Step 5: Solve for x
    x = 19,615,009.92/5,912.76
  6. Step 6: Final answer
    x = 3,317.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.