Home / 5,898.14-8,139.47-3,245.48

Finding the Fourth Proportional to 5,898.14, 8,139.47 and 3,245.48

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Solution

The fourth proportional to 5,898.14, 8,139.47 and 3,245.48 is: 4,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.14 : 8,139.47 = 3,245.48 : x
  2. Step 2: Convert to fraction form
    5,898.14/8,139.47 = 3,245.48/x
  3. Step 3: Cross multiply
    5,898.14x = 8,139.47 × 3,245.48
  4. Step 4: Simplify right side
    5,898.14x = 26,416,430.17
  5. Step 5: Solve for x
    x = 26,416,430.17/5,898.14
  6. Step 6: Final answer
    x = 4,478.78

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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.