Home / 4,771.28-7,157.41-1,483.49

Finding the Fourth Proportional to 4,771.28, 7,157.41 and 1,483.49

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Solution

The fourth proportional to 4,771.28, 7,157.41 and 1,483.49 is: 2,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.28 : 7,157.41 = 1,483.49 : x
  2. Step 2: Convert to fraction form
    4,771.28/7,157.41 = 1,483.49/x
  3. Step 3: Cross multiply
    4,771.28x = 7,157.41 × 1,483.49
  4. Step 4: Simplify right side
    4,771.28x = 10,617,960.35
  5. Step 5: Solve for x
    x = 10,617,960.35/4,771.28
  6. Step 6: Final answer
    x = 2,225.39

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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.