Home / 4,664.92-6,438.54-3,255.16

Finding the Fourth Proportional to 4,664.92, 6,438.54 and 3,255.16

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Solution

The fourth proportional to 4,664.92, 6,438.54 and 3,255.16 is: 4,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.92 : 6,438.54 = 3,255.16 : x
  2. Step 2: Convert to fraction form
    4,664.92/6,438.54 = 3,255.16/x
  3. Step 3: Cross multiply
    4,664.92x = 6,438.54 × 3,255.16
  4. Step 4: Simplify right side
    4,664.92x = 20,958,477.87
  5. Step 5: Solve for x
    x = 20,958,477.87/4,664.92
  6. Step 6: Final answer
    x = 4,492.78

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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.