Home / 5,202.27-7,177.80-3,077.70

Finding the Fourth Proportional to 5,202.27, 7,177.80 and 3,077.70

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Solution

The fourth proportional to 5,202.27, 7,177.80 and 3,077.70 is: 4,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.27 : 7,177.80 = 3,077.70 : x
  2. Step 2: Convert to fraction form
    5,202.27/7,177.80 = 3,077.70/x
  3. Step 3: Cross multiply
    5,202.27x = 7,177.80 × 3,077.70
  4. Step 4: Simplify right side
    5,202.27x = 22,091,115.06
  5. Step 5: Solve for x
    x = 22,091,115.06/5,202.27
  6. Step 6: Final answer
    x = 4,246.44

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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.