Home / 4,113.40-5,676.94-2,622.68

Finding the Fourth Proportional to 4,113.40, 5,676.94 and 2,622.68

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Solution

The fourth proportional to 4,113.40, 5,676.94 and 2,622.68 is: 3,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.40 : 5,676.94 = 2,622.68 : x
  2. Step 2: Convert to fraction form
    4,113.40/5,676.94 = 2,622.68/x
  3. Step 3: Cross multiply
    4,113.40x = 5,676.94 × 2,622.68
  4. Step 4: Simplify right side
    4,113.40x = 14,888,797.00
  5. Step 5: Solve for x
    x = 14,888,797.00/4,113.40
  6. Step 6: Final answer
    x = 3,619.58

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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.