Home / 3,257.08-4,490.03-2,658.49

Finding the Fourth Proportional to 3,257.08, 4,490.03 and 2,658.49

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Solution

The fourth proportional to 3,257.08, 4,490.03 and 2,658.49 is: 3,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.08 : 4,490.03 = 2,658.49 : x
  2. Step 2: Convert to fraction form
    3,257.08/4,490.03 = 2,658.49/x
  3. Step 3: Cross multiply
    3,257.08x = 4,490.03 × 2,658.49
  4. Step 4: Simplify right side
    3,257.08x = 11,936,695.28
  5. Step 5: Solve for x
    x = 11,936,695.28/3,257.08
  6. Step 6: Final answer
    x = 3,664.85

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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.