Home / 4,422.89-6,628.86-3,876.14

Finding the Fourth Proportional to 4,422.89, 6,628.86 and 3,876.14

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Solution

The fourth proportional to 4,422.89, 6,628.86 and 3,876.14 is: 5,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.89 : 6,628.86 = 3,876.14 : x
  2. Step 2: Convert to fraction form
    4,422.89/6,628.86 = 3,876.14/x
  3. Step 3: Cross multiply
    4,422.89x = 6,628.86 × 3,876.14
  4. Step 4: Simplify right side
    4,422.89x = 25,694,389.40
  5. Step 5: Solve for x
    x = 25,694,389.40/4,422.89
  6. Step 6: Final answer
    x = 5,809.41

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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.