Home / 3,021.44-4,165.69-1,957.32

Finding the Fourth Proportional to 3,021.44, 4,165.69 and 1,957.32

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Solution

The fourth proportional to 3,021.44, 4,165.69 and 1,957.32 is: 2,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.44 : 4,165.69 = 1,957.32 : x
  2. Step 2: Convert to fraction form
    3,021.44/4,165.69 = 1,957.32/x
  3. Step 3: Cross multiply
    3,021.44x = 4,165.69 × 1,957.32
  4. Step 4: Simplify right side
    3,021.44x = 8,153,588.35
  5. Step 5: Solve for x
    x = 8,153,588.35/3,021.44
  6. Step 6: Final answer
    x = 2,698.58

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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.