Home / 7,375.14-10,177.56-4,231.08

Finding the Fourth Proportional to 7,375.14, 10,177.56 and 4,231.08

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Solution

The fourth proportional to 7,375.14, 10,177.56 and 4,231.08 is: 5,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.14 : 10,177.56 = 4,231.08 : x
  2. Step 2: Convert to fraction form
    7,375.14/10,177.56 = 4,231.08/x
  3. Step 3: Cross multiply
    7,375.14x = 10,177.56 × 4,231.08
  4. Step 4: Simplify right side
    7,375.14x = 43,062,070.56
  5. Step 5: Solve for x
    x = 43,062,070.56/7,375.14
  6. Step 6: Final answer
    x = 5,838.81

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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.