Home / 4,197.51-5,792.85-2,778.75

Finding the Fourth Proportional to 4,197.51, 5,792.85 and 2,778.75

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Solution

The fourth proportional to 4,197.51, 5,792.85 and 2,778.75 is: 3,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.51 : 5,792.85 = 2,778.75 : x
  2. Step 2: Convert to fraction form
    4,197.51/5,792.85 = 2,778.75/x
  3. Step 3: Cross multiply
    4,197.51x = 5,792.85 × 2,778.75
  4. Step 4: Simplify right side
    4,197.51x = 16,096,881.94
  5. Step 5: Solve for x
    x = 16,096,881.94/4,197.51
  6. Step 6: Final answer
    x = 3,834.86

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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.