Home / 5,247.14-7,239.24-3,228.48

Finding the Fourth Proportional to 5,247.14, 7,239.24 and 3,228.48

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Solution

The fourth proportional to 5,247.14, 7,239.24 and 3,228.48 is: 4,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.14 : 7,239.24 = 3,228.48 : x
  2. Step 2: Convert to fraction form
    5,247.14/7,239.24 = 3,228.48/x
  3. Step 3: Cross multiply
    5,247.14x = 7,239.24 × 3,228.48
  4. Step 4: Simplify right side
    5,247.14x = 23,371,741.56
  5. Step 5: Solve for x
    x = 23,371,741.56/5,247.14
  6. Step 6: Final answer
    x = 4,454.19

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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.