Home / 4,161.20-5,737.90-4,119.08

Finding the Fourth Proportional to 4,161.20, 5,737.90 and 4,119.08

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Solution

The fourth proportional to 4,161.20, 5,737.90 and 4,119.08 is: 5,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.20 : 5,737.90 = 4,119.08 : x
  2. Step 2: Convert to fraction form
    4,161.20/5,737.90 = 4,119.08/x
  3. Step 3: Cross multiply
    4,161.20x = 5,737.90 × 4,119.08
  4. Step 4: Simplify right side
    4,161.20x = 23,634,869.13
  5. Step 5: Solve for x
    x = 23,634,869.13/4,161.20
  6. Step 6: Final answer
    x = 5,679.82

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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.