Home / 7,395.82-10,205.94-4,038.78

Finding the Fourth Proportional to 7,395.82, 10,205.94 and 4,038.78

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Solution

The fourth proportional to 7,395.82, 10,205.94 and 4,038.78 is: 5,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.82 : 10,205.94 = 4,038.78 : x
  2. Step 2: Convert to fraction form
    7,395.82/10,205.94 = 4,038.78/x
  3. Step 3: Cross multiply
    7,395.82x = 10,205.94 × 4,038.78
  4. Step 4: Simplify right side
    7,395.82x = 41,219,546.35
  5. Step 5: Solve for x
    x = 41,219,546.35/7,395.82
  6. Step 6: Final answer
    x = 5,573.36

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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.