Home / 5,601.14-7,729.78-3,211.56

Finding the Fourth Proportional to 5,601.14, 7,729.78 and 3,211.56

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Solution

The fourth proportional to 5,601.14, 7,729.78 and 3,211.56 is: 4,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.14 : 7,729.78 = 3,211.56 : x
  2. Step 2: Convert to fraction form
    5,601.14/7,729.78 = 3,211.56/x
  3. Step 3: Cross multiply
    5,601.14x = 7,729.78 × 3,211.56
  4. Step 4: Simplify right side
    5,601.14x = 24,824,652.26
  5. Step 5: Solve for x
    x = 24,824,652.26/5,601.14
  6. Step 6: Final answer
    x = 4,432.07

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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.