Home / 5,472.42-7,551.18-3,081.99

Finding the Fourth Proportional to 5,472.42, 7,551.18 and 3,081.99

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Solution

The fourth proportional to 5,472.42, 7,551.18 and 3,081.99 is: 4,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.42 : 7,551.18 = 3,081.99 : x
  2. Step 2: Convert to fraction form
    5,472.42/7,551.18 = 3,081.99/x
  3. Step 3: Cross multiply
    5,472.42x = 7,551.18 × 3,081.99
  4. Step 4: Simplify right side
    5,472.42x = 23,272,661.25
  5. Step 5: Solve for x
    x = 23,272,661.25/5,472.42
  6. Step 6: Final answer
    x = 4,252.72

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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.