Home / 3,231.74-4,461.49-2,175.06

Finding the Fourth Proportional to 3,231.74, 4,461.49 and 2,175.06

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Solution

The fourth proportional to 3,231.74, 4,461.49 and 2,175.06 is: 3,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.74 : 4,461.49 = 2,175.06 : x
  2. Step 2: Convert to fraction form
    3,231.74/4,461.49 = 2,175.06/x
  3. Step 3: Cross multiply
    3,231.74x = 4,461.49 × 2,175.06
  4. Step 4: Simplify right side
    3,231.74x = 9,704,008.44
  5. Step 5: Solve for x
    x = 9,704,008.44/3,231.74
  6. Step 6: Final answer
    x = 3,002.72

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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.