Home / 3,461.74-5,192.60-2,171.40

Finding the Fourth Proportional to 3,461.74, 5,192.60 and 2,171.40

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Solution

The fourth proportional to 3,461.74, 5,192.60 and 2,171.40 is: 3,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.74 : 5,192.60 = 2,171.40 : x
  2. Step 2: Convert to fraction form
    3,461.74/5,192.60 = 2,171.40/x
  3. Step 3: Cross multiply
    3,461.74x = 5,192.60 × 2,171.40
  4. Step 4: Simplify right side
    3,461.74x = 11,275,211.64
  5. Step 5: Solve for x
    x = 11,275,211.64/3,461.74
  6. Step 6: Final answer
    x = 3,257.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.