Home / 4,119.07-6,142.84-3,975.56

Finding the Fourth Proportional to 4,119.07, 6,142.84 and 3,975.56

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Solution

The fourth proportional to 4,119.07, 6,142.84 and 3,975.56 is: 5,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.07 : 6,142.84 = 3,975.56 : x
  2. Step 2: Convert to fraction form
    4,119.07/6,142.84 = 3,975.56/x
  3. Step 3: Cross multiply
    4,119.07x = 6,142.84 × 3,975.56
  4. Step 4: Simplify right side
    4,119.07x = 24,421,209.11
  5. Step 5: Solve for x
    x = 24,421,209.11/4,119.07
  6. Step 6: Final answer
    x = 5,928.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.