Home / 5,369.20-7,409.76-3,012.08

Finding the Fourth Proportional to 5,369.20, 7,409.76 and 3,012.08

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Solution

The fourth proportional to 5,369.20, 7,409.76 and 3,012.08 is: 4,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.20 : 7,409.76 = 3,012.08 : x
  2. Step 2: Convert to fraction form
    5,369.20/7,409.76 = 3,012.08/x
  3. Step 3: Cross multiply
    5,369.20x = 7,409.76 × 3,012.08
  4. Step 4: Simplify right side
    5,369.20x = 22,318,789.90
  5. Step 5: Solve for x
    x = 22,318,789.90/5,369.20
  6. Step 6: Final answer
    x = 4,156.82

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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.