Home / 6,177.54-8,525.88-3,938.70

Finding the Fourth Proportional to 6,177.54, 8,525.88 and 3,938.70

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Solution

The fourth proportional to 6,177.54, 8,525.88 and 3,938.70 is: 5,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,177.54 : 8,525.88 = 3,938.70 : x
  2. Step 2: Convert to fraction form
    6,177.54/8,525.88 = 3,938.70/x
  3. Step 3: Cross multiply
    6,177.54x = 8,525.88 × 3,938.70
  4. Step 4: Simplify right side
    6,177.54x = 33,580,883.56
  5. Step 5: Solve for x
    x = 33,580,883.56/6,177.54
  6. Step 6: Final answer
    x = 5,435.96

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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.