Home / 7,481.53-10,324.37-4,078.57

Finding the Fourth Proportional to 7,481.53, 10,324.37 and 4,078.57

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Solution

The fourth proportional to 7,481.53, 10,324.37 and 4,078.57 is: 5,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.53 : 10,324.37 = 4,078.57 : x
  2. Step 2: Convert to fraction form
    7,481.53/10,324.37 = 4,078.57/x
  3. Step 3: Cross multiply
    7,481.53x = 10,324.37 × 4,078.57
  4. Step 4: Simplify right side
    7,481.53x = 42,108,665.75
  5. Step 5: Solve for x
    x = 42,108,665.75/7,481.53
  6. Step 6: Final answer
    x = 5,628.35

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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.