Home / 5,898.24-8,139.80-3,245.85

Finding the Fourth Proportional to 5,898.24, 8,139.80 and 3,245.85

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Solution

The fourth proportional to 5,898.24, 8,139.80 and 3,245.85 is: 4,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.24 : 8,139.80 = 3,245.85 : x
  2. Step 2: Convert to fraction form
    5,898.24/8,139.80 = 3,245.85/x
  3. Step 3: Cross multiply
    5,898.24x = 8,139.80 × 3,245.85
  4. Step 4: Simplify right side
    5,898.24x = 26,420,553.60
  5. Step 5: Solve for x
    x = 26,420,553.60/5,898.24
  6. Step 6: Final answer
    x = 4,479.40

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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.