Home / 4,974.27-7,462.47-3,127.79

Finding the Fourth Proportional to 4,974.27, 7,462.47 and 3,127.79

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Solution

The fourth proportional to 4,974.27, 7,462.47 and 3,127.79 is: 4,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.27 : 7,462.47 = 3,127.79 : x
  2. Step 2: Convert to fraction form
    4,974.27/7,462.47 = 3,127.79/x
  3. Step 3: Cross multiply
    4,974.27x = 7,462.47 × 3,127.79
  4. Step 4: Simplify right side
    4,974.27x = 23,341,001.73
  5. Step 5: Solve for x
    x = 23,341,001.73/4,974.27
  6. Step 6: Final answer
    x = 4,692.35

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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.