Home / 4,771.08-7,137.90-4,217.04

Finding the Fourth Proportional to 4,771.08, 7,137.90 and 4,217.04

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Solution

The fourth proportional to 4,771.08, 7,137.90 and 4,217.04 is: 6,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.08 : 7,137.90 = 4,217.04 : x
  2. Step 2: Convert to fraction form
    4,771.08/7,137.90 = 4,217.04/x
  3. Step 3: Cross multiply
    4,771.08x = 7,137.90 × 4,217.04
  4. Step 4: Simplify right side
    4,771.08x = 30,100,809.82
  5. Step 5: Solve for x
    x = 30,100,809.82/4,771.08
  6. Step 6: Final answer
    x = 6,309.01

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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.