Home / 4,149.54-5,728.14-2,578.14

Finding the Fourth Proportional to 4,149.54, 5,728.14 and 2,578.14

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Solution

The fourth proportional to 4,149.54, 5,728.14 and 2,578.14 is: 3,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.54 : 5,728.14 = 2,578.14 : x
  2. Step 2: Convert to fraction form
    4,149.54/5,728.14 = 2,578.14/x
  3. Step 3: Cross multiply
    4,149.54x = 5,728.14 × 2,578.14
  4. Step 4: Simplify right side
    4,149.54x = 14,767,946.86
  5. Step 5: Solve for x
    x = 14,767,946.86/4,149.54
  6. Step 6: Final answer
    x = 3,558.94

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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.