Home / 7,429.11-11,142.24-3,730.35

Finding the Fourth Proportional to 7,429.11, 11,142.24 and 3,730.35

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Solution

The fourth proportional to 7,429.11, 11,142.24 and 3,730.35 is: 5,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.11 : 11,142.24 = 3,730.35 : x
  2. Step 2: Convert to fraction form
    7,429.11/11,142.24 = 3,730.35/x
  3. Step 3: Cross multiply
    7,429.11x = 11,142.24 × 3,730.35
  4. Step 4: Simplify right side
    7,429.11x = 41,564,454.98
  5. Step 5: Solve for x
    x = 41,564,454.98/7,429.11
  6. Step 6: Final answer
    x = 5,594.81

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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.