Home / 7,375.37-10,177.78-4,018.13

Finding the Fourth Proportional to 7,375.37, 10,177.78 and 4,018.13

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Solution

The fourth proportional to 7,375.37, 10,177.78 and 4,018.13 is: 5,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.37 : 10,177.78 = 4,018.13 : x
  2. Step 2: Convert to fraction form
    7,375.37/10,177.78 = 4,018.13/x
  3. Step 3: Cross multiply
    7,375.37x = 10,177.78 × 4,018.13
  4. Step 4: Simplify right side
    7,375.37x = 40,895,643.15
  5. Step 5: Solve for x
    x = 40,895,643.15/7,375.37
  6. Step 6: Final answer
    x = 5,544.89

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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.