Home / 7,049.72-9,729.24-4,025.18

Finding the Fourth Proportional to 7,049.72, 9,729.24 and 4,025.18

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Solution

The fourth proportional to 7,049.72, 9,729.24 and 4,025.18 is: 5,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.72 : 9,729.24 = 4,025.18 : x
  2. Step 2: Convert to fraction form
    7,049.72/9,729.24 = 4,025.18/x
  3. Step 3: Cross multiply
    7,049.72x = 9,729.24 × 4,025.18
  4. Step 4: Simplify right side
    7,049.72x = 39,161,942.26
  5. Step 5: Solve for x
    x = 39,161,942.26/7,049.72
  6. Step 6: Final answer
    x = 5,555.11

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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.