Home / 5,243.72-7,239.33-3,477.73

Finding the Fourth Proportional to 5,243.72, 7,239.33 and 3,477.73

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Solution

The fourth proportional to 5,243.72, 7,239.33 and 3,477.73 is: 4,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.72 : 7,239.33 = 3,477.73 : x
  2. Step 2: Convert to fraction form
    5,243.72/7,239.33 = 3,477.73/x
  3. Step 3: Cross multiply
    5,243.72x = 7,239.33 × 3,477.73
  4. Step 4: Simplify right side
    5,243.72x = 25,176,435.12
  5. Step 5: Solve for x
    x = 25,176,435.12/5,243.72
  6. Step 6: Final answer
    x = 4,801.25

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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.