Home / 3,096.12-4,272.75-1,769.85

Finding the Fourth Proportional to 3,096.12, 4,272.75 and 1,769.85

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Solution

The fourth proportional to 3,096.12, 4,272.75 and 1,769.85 is: 2,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.12 : 4,272.75 = 1,769.85 : x
  2. Step 2: Convert to fraction form
    3,096.12/4,272.75 = 1,769.85/x
  3. Step 3: Cross multiply
    3,096.12x = 4,272.75 × 1,769.85
  4. Step 4: Simplify right side
    3,096.12x = 7,562,126.59
  5. Step 5: Solve for x
    x = 7,562,126.59/3,096.12
  6. Step 6: Final answer
    x = 2,442.45

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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.