Home / 6,205.24-8,559.66-3,719.80

Finding the Fourth Proportional to 6,205.24, 8,559.66 and 3,719.80

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Solution

The fourth proportional to 6,205.24, 8,559.66 and 3,719.80 is: 5,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,205.24 : 8,559.66 = 3,719.80 : x
  2. Step 2: Convert to fraction form
    6,205.24/8,559.66 = 3,719.80/x
  3. Step 3: Cross multiply
    6,205.24x = 8,559.66 × 3,719.80
  4. Step 4: Simplify right side
    6,205.24x = 31,840,223.27
  5. Step 5: Solve for x
    x = 31,840,223.27/6,205.24
  6. Step 6: Final answer
    x = 5,131.18

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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.