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Finding the Fourth Proportional to 5,596.79, 7,728.75 and 3,610.76

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Solution

The fourth proportional to 5,596.79, 7,728.75 and 3,610.76 is: 4,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.79 : 7,728.75 = 3,610.76 : x
  2. Step 2: Convert to fraction form
    5,596.79/7,728.75 = 3,610.76/x
  3. Step 3: Cross multiply
    5,596.79x = 7,728.75 × 3,610.76
  4. Step 4: Simplify right side
    5,596.79x = 27,906,622.71
  5. Step 5: Solve for x
    x = 27,906,622.71/5,596.79
  6. Step 6: Final answer
    x = 4,986.19

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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.