Home / 5,729.44-7,906.80-4,050.40

Finding the Fourth Proportional to 5,729.44, 7,906.80 and 4,050.40

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Solution

The fourth proportional to 5,729.44, 7,906.80 and 4,050.40 is: 5,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.44 : 7,906.80 = 4,050.40 : x
  2. Step 2: Convert to fraction form
    5,729.44/7,906.80 = 4,050.40/x
  3. Step 3: Cross multiply
    5,729.44x = 7,906.80 × 4,050.40
  4. Step 4: Simplify right side
    5,729.44x = 32,025,702.72
  5. Step 5: Solve for x
    x = 32,025,702.72/5,729.44
  6. Step 6: Final answer
    x = 5,589.67

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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.