Home / 2,620.36-3,913.97-2,037.16

Finding the Fourth Proportional to 2,620.36, 3,913.97 and 2,037.16

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Solution

The fourth proportional to 2,620.36, 3,913.97 and 2,037.16 is: 3,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.36 : 3,913.97 = 2,037.16 : x
  2. Step 2: Convert to fraction form
    2,620.36/3,913.97 = 2,037.16/x
  3. Step 3: Cross multiply
    2,620.36x = 3,913.97 × 2,037.16
  4. Step 4: Simplify right side
    2,620.36x = 7,973,383.13
  5. Step 5: Solve for x
    x = 7,973,383.13/2,620.36
  6. Step 6: Final answer
    x = 3,042.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.