Home / 5,635.91-8,455.25-3,973.28

Finding the Fourth Proportional to 5,635.91, 8,455.25 and 3,973.28

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Solution

The fourth proportional to 5,635.91, 8,455.25 and 3,973.28 is: 5,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.91 : 8,455.25 = 3,973.28 : x
  2. Step 2: Convert to fraction form
    5,635.91/8,455.25 = 3,973.28/x
  3. Step 3: Cross multiply
    5,635.91x = 8,455.25 × 3,973.28
  4. Step 4: Simplify right side
    5,635.91x = 33,595,076.99
  5. Step 5: Solve for x
    x = 33,595,076.99/5,635.91
  6. Step 6: Final answer
    x = 5,960.89

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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.