Home / 6,079.70-8,378.96-4,505.06

Finding the Fourth Proportional to 6,079.70, 8,378.96 and 4,505.06

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Solution

The fourth proportional to 6,079.70, 8,378.96 and 4,505.06 is: 6,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.70 : 8,378.96 = 4,505.06 : x
  2. Step 2: Convert to fraction form
    6,079.70/8,378.96 = 4,505.06/x
  3. Step 3: Cross multiply
    6,079.70x = 8,378.96 × 4,505.06
  4. Step 4: Simplify right side
    6,079.70x = 37,747,717.54
  5. Step 5: Solve for x
    x = 37,747,717.54/6,079.70
  6. Step 6: Final answer
    x = 6,208.81

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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.