Home / 5,435.19-8,151.21-2,471.99

Finding the Fourth Proportional to 5,435.19, 8,151.21 and 2,471.99

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Solution

The fourth proportional to 5,435.19, 8,151.21 and 2,471.99 is: 3,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.19 : 8,151.21 = 2,471.99 : x
  2. Step 2: Convert to fraction form
    5,435.19/8,151.21 = 2,471.99/x
  3. Step 3: Cross multiply
    5,435.19x = 8,151.21 × 2,471.99
  4. Step 4: Simplify right side
    5,435.19x = 20,149,668.85
  5. Step 5: Solve for x
    x = 20,149,668.85/5,435.19
  6. Step 6: Final answer
    x = 3,707.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.