Home / 4,112.07-5,676.51-2,621.99

Finding the Fourth Proportional to 4,112.07, 5,676.51 and 2,621.99

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Solution

The fourth proportional to 4,112.07, 5,676.51 and 2,621.99 is: 3,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.07 : 5,676.51 = 2,621.99 : x
  2. Step 2: Convert to fraction form
    4,112.07/5,676.51 = 2,621.99/x
  3. Step 3: Cross multiply
    4,112.07x = 5,676.51 × 2,621.99
  4. Step 4: Simplify right side
    4,112.07x = 14,883,752.45
  5. Step 5: Solve for x
    x = 14,883,752.45/4,112.07
  6. Step 6: Final answer
    x = 3,619.53

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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.