Home / 5,247.37-7,868.70-1,548.30

Finding the Fourth Proportional to 5,247.37, 7,868.70 and 1,548.30

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Solution

The fourth proportional to 5,247.37, 7,868.70 and 1,548.30 is: 2,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.37 : 7,868.70 = 1,548.30 : x
  2. Step 2: Convert to fraction form
    5,247.37/7,868.70 = 1,548.30/x
  3. Step 3: Cross multiply
    5,247.37x = 7,868.70 × 1,548.30
  4. Step 4: Simplify right side
    5,247.37x = 12,183,108.21
  5. Step 5: Solve for x
    x = 12,183,108.21/5,247.37
  6. Step 6: Final answer
    x = 2,321.76

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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.