Home / 2,177.12-3,261.36-2,096.66

Finding the Fourth Proportional to 2,177.12, 3,261.36 and 2,096.66

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Solution

The fourth proportional to 2,177.12, 3,261.36 and 2,096.66 is: 3,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.12 : 3,261.36 = 2,096.66 : x
  2. Step 2: Convert to fraction form
    2,177.12/3,261.36 = 2,096.66/x
  3. Step 3: Cross multiply
    2,177.12x = 3,261.36 × 2,096.66
  4. Step 4: Simplify right side
    2,177.12x = 6,837,963.06
  5. Step 5: Solve for x
    x = 6,837,963.06/2,177.12
  6. Step 6: Final answer
    x = 3,140.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.