Home / 4,945.36-7,402.56-2,747.02

Finding the Fourth Proportional to 4,945.36, 7,402.56 and 2,747.02

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Solution

The fourth proportional to 4,945.36, 7,402.56 and 2,747.02 is: 4,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.36 : 7,402.56 = 2,747.02 : x
  2. Step 2: Convert to fraction form
    4,945.36/7,402.56 = 2,747.02/x
  3. Step 3: Cross multiply
    4,945.36x = 7,402.56 × 2,747.02
  4. Step 4: Simplify right side
    4,945.36x = 20,334,980.37
  5. Step 5: Solve for x
    x = 20,334,980.37/4,945.36
  6. Step 6: Final answer
    x = 4,111.93

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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.