Home / 5,237.54-7,219.41-3,974.48

Finding the Fourth Proportional to 5,237.54, 7,219.41 and 3,974.48

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Solution

The fourth proportional to 5,237.54, 7,219.41 and 3,974.48 is: 5,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.54 : 7,219.41 = 3,974.48 : x
  2. Step 2: Convert to fraction form
    5,237.54/7,219.41 = 3,974.48/x
  3. Step 3: Cross multiply
    5,237.54x = 7,219.41 × 3,974.48
  4. Step 4: Simplify right side
    5,237.54x = 28,693,400.66
  5. Step 5: Solve for x
    x = 28,693,400.66/5,237.54
  6. Step 6: Final answer
    x = 5,478.41

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Double scale
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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.