Home / 7,405.08-11,102.13-2,471.82

Finding the Fourth Proportional to 7,405.08, 11,102.13 and 2,471.82

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Solution

The fourth proportional to 7,405.08, 11,102.13 and 2,471.82 is: 3,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.08 : 11,102.13 = 2,471.82 : x
  2. Step 2: Convert to fraction form
    7,405.08/11,102.13 = 2,471.82/x
  3. Step 3: Cross multiply
    7,405.08x = 11,102.13 × 2,471.82
  4. Step 4: Simplify right side
    7,405.08x = 27,442,466.98
  5. Step 5: Solve for x
    x = 27,442,466.98/7,405.08
  6. Step 6: Final answer
    x = 3,705.90

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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.