Home / 3,635.12-5,451.06-1,325

Finding the Fourth Proportional to 3,635.12, 5,451.06 and 1,325

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Solution

The fourth proportional to 3,635.12, 5,451.06 and 1,325 is: 1,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.12 : 5,451.06 = 1,325 : x
  2. Step 2: Convert to fraction form
    3,635.12/5,451.06 = 1,325/x
  3. Step 3: Cross multiply
    3,635.12x = 5,451.06 × 1,325
  4. Step 4: Simplify right side
    3,635.12x = 7,222,654.50
  5. Step 5: Solve for x
    x = 7,222,654.50/3,635.12
  6. Step 6: Final answer
    x = 1,986.91

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Double scale
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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.