Home / 5,195.54-7,175.79-3,785.55

Finding the Fourth Proportional to 5,195.54, 7,175.79 and 3,785.55

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Solution

The fourth proportional to 5,195.54, 7,175.79 and 3,785.55 is: 5,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.54 : 7,175.79 = 3,785.55 : x
  2. Step 2: Convert to fraction form
    5,195.54/7,175.79 = 3,785.55/x
  3. Step 3: Cross multiply
    5,195.54x = 7,175.79 × 3,785.55
  4. Step 4: Simplify right side
    5,195.54x = 27,164,311.83
  5. Step 5: Solve for x
    x = 27,164,311.83/5,195.54
  6. Step 6: Final answer
    x = 5,228.40

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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.