Home / 4,136.54-5,707.26-3,928.77

Finding the Fourth Proportional to 4,136.54, 5,707.26 and 3,928.77

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Solution

The fourth proportional to 4,136.54, 5,707.26 and 3,928.77 is: 5,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.54 : 5,707.26 = 3,928.77 : x
  2. Step 2: Convert to fraction form
    4,136.54/5,707.26 = 3,928.77/x
  3. Step 3: Cross multiply
    4,136.54x = 5,707.26 × 3,928.77
  4. Step 4: Simplify right side
    4,136.54x = 22,422,511.87
  5. Step 5: Solve for x
    x = 22,422,511.87/4,136.54
  6. Step 6: Final answer
    x = 5,420.60

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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.