Home / 5,729.57-7,907.27-3,372.18

Finding the Fourth Proportional to 5,729.57, 7,907.27 and 3,372.18

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Solution

The fourth proportional to 5,729.57, 7,907.27 and 3,372.18 is: 4,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.57 : 7,907.27 = 3,372.18 : x
  2. Step 2: Convert to fraction form
    5,729.57/7,907.27 = 3,372.18/x
  3. Step 3: Cross multiply
    5,729.57x = 7,907.27 × 3,372.18
  4. Step 4: Simplify right side
    5,729.57x = 26,664,737.75
  5. Step 5: Solve for x
    x = 26,664,737.75/5,729.57
  6. Step 6: Final answer
    x = 4,653.88

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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.