Home / 5,898.12-8,139.24-3,245.54

Finding the Fourth Proportional to 5,898.12, 8,139.24 and 3,245.54

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Solution

The fourth proportional to 5,898.12, 8,139.24 and 3,245.54 is: 4,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.12 : 8,139.24 = 3,245.54 : x
  2. Step 2: Convert to fraction form
    5,898.12/8,139.24 = 3,245.54/x
  3. Step 3: Cross multiply
    5,898.12x = 8,139.24 × 3,245.54
  4. Step 4: Simplify right side
    5,898.12x = 26,416,188.29
  5. Step 5: Solve for x
    x = 26,416,188.29/5,898.12
  6. Step 6: Final answer
    x = 4,478.75

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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.