Home / 3,596.64-5,391.28-2,729.12

Finding the Fourth Proportional to 3,596.64, 5,391.28 and 2,729.12

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Solution

The fourth proportional to 3,596.64, 5,391.28 and 2,729.12 is: 4,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.64 : 5,391.28 = 2,729.12 : x
  2. Step 2: Convert to fraction form
    3,596.64/5,391.28 = 2,729.12/x
  3. Step 3: Cross multiply
    3,596.64x = 5,391.28 × 2,729.12
  4. Step 4: Simplify right side
    3,596.64x = 14,713,450.07
  5. Step 5: Solve for x
    x = 14,713,450.07/3,596.64
  6. Step 6: Final answer
    x = 4,090.89

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1.5x scale

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.