Home / 5,237.72-7,224.28-3,556.20

Finding the Fourth Proportional to 5,237.72, 7,224.28 and 3,556.20

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Solution

The fourth proportional to 5,237.72, 7,224.28 and 3,556.20 is: 4,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.72 : 7,224.28 = 3,556.20 : x
  2. Step 2: Convert to fraction form
    5,237.72/7,224.28 = 3,556.20/x
  3. Step 3: Cross multiply
    5,237.72x = 7,224.28 × 3,556.20
  4. Step 4: Simplify right side
    5,237.72x = 25,690,992.02
  5. Step 5: Solve for x
    x = 25,690,992.02/5,237.72
  6. Step 6: Final answer
    x = 4,905.00

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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.