Home / 7,375.25-10,177.44-4,188.46

Finding the Fourth Proportional to 7,375.25, 10,177.44 and 4,188.46

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Solution

The fourth proportional to 7,375.25, 10,177.44 and 4,188.46 is: 5,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.25 : 10,177.44 = 4,188.46 : x
  2. Step 2: Convert to fraction form
    7,375.25/10,177.44 = 4,188.46/x
  3. Step 3: Cross multiply
    7,375.25x = 10,177.44 × 4,188.46
  4. Step 4: Simplify right side
    7,375.25x = 42,627,817.84
  5. Step 5: Solve for x
    x = 42,627,817.84/7,375.25
  6. Step 6: Final answer
    x = 5,779.85

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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.