Home / 7,438.10-11,163.45-3,058.70

Finding the Fourth Proportional to 7,438.10, 11,163.45 and 3,058.70

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Solution

The fourth proportional to 7,438.10, 11,163.45 and 3,058.70 is: 4,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.10 : 11,163.45 = 3,058.70 : x
  2. Step 2: Convert to fraction form
    7,438.10/11,163.45 = 3,058.70/x
  3. Step 3: Cross multiply
    7,438.10x = 11,163.45 × 3,058.70
  4. Step 4: Simplify right side
    7,438.10x = 34,145,644.52
  5. Step 5: Solve for x
    x = 34,145,644.52/7,438.10
  6. Step 6: Final answer
    x = 4,590.64

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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.