Home / 6,178.68-8,523.40-4,188.56

Finding the Fourth Proportional to 6,178.68, 8,523.40 and 4,188.56

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Solution

The fourth proportional to 6,178.68, 8,523.40 and 4,188.56 is: 5,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.68 : 8,523.40 = 4,188.56 : x
  2. Step 2: Convert to fraction form
    6,178.68/8,523.40 = 4,188.56/x
  3. Step 3: Cross multiply
    6,178.68x = 8,523.40 × 4,188.56
  4. Step 4: Simplify right side
    6,178.68x = 35,700,772.30
  5. Step 5: Solve for x
    x = 35,700,772.30/6,178.68
  6. Step 6: Final answer
    x = 5,778.06

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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.