Home / 4,115.61-6,173.55-1,923.75

Finding the Fourth Proportional to 4,115.61, 6,173.55 and 1,923.75

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Solution

The fourth proportional to 4,115.61, 6,173.55 and 1,923.75 is: 2,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.61 : 6,173.55 = 1,923.75 : x
  2. Step 2: Convert to fraction form
    4,115.61/6,173.55 = 1,923.75/x
  3. Step 3: Cross multiply
    4,115.61x = 6,173.55 × 1,923.75
  4. Step 4: Simplify right side
    4,115.61x = 11,876,366.81
  5. Step 5: Solve for x
    x = 11,876,366.81/4,115.61
  6. Step 6: Final answer
    x = 2,885.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.