Home / 3,210.24-4,429.80-2,371.44

Finding the Fourth Proportional to 3,210.24, 4,429.80 and 2,371.44

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Solution

The fourth proportional to 3,210.24, 4,429.80 and 2,371.44 is: 3,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.24 : 4,429.80 = 2,371.44 : x
  2. Step 2: Convert to fraction form
    3,210.24/4,429.80 = 2,371.44/x
  3. Step 3: Cross multiply
    3,210.24x = 4,429.80 × 2,371.44
  4. Step 4: Simplify right side
    3,210.24x = 10,505,004.91
  5. Step 5: Solve for x
    x = 10,505,004.91/3,210.24
  6. Step 6: Final answer
    x = 3,272.34

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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.