Home / 7,278.62-10,043.67-4,092.14

Finding the Fourth Proportional to 7,278.62, 10,043.67 and 4,092.14

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Solution

The fourth proportional to 7,278.62, 10,043.67 and 4,092.14 is: 5,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.62 : 10,043.67 = 4,092.14 : x
  2. Step 2: Convert to fraction form
    7,278.62/10,043.67 = 4,092.14/x
  3. Step 3: Cross multiply
    7,278.62x = 10,043.67 × 4,092.14
  4. Step 4: Simplify right side
    7,278.62x = 41,100,103.75
  5. Step 5: Solve for x
    x = 41,100,103.75/7,278.62
  6. Step 6: Final answer
    x = 5,646.69

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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.