Home / 5,237.11-7,221.85-3,468.07

Finding the Fourth Proportional to 5,237.11, 7,221.85 and 3,468.07

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Solution

The fourth proportional to 5,237.11, 7,221.85 and 3,468.07 is: 4,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.11 : 7,221.85 = 3,468.07 : x
  2. Step 2: Convert to fraction form
    5,237.11/7,221.85 = 3,468.07/x
  3. Step 3: Cross multiply
    5,237.11x = 7,221.85 × 3,468.07
  4. Step 4: Simplify right side
    5,237.11x = 25,045,881.33
  5. Step 5: Solve for x
    x = 25,045,881.33/5,237.11
  6. Step 6: Final answer
    x = 4,782.39

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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.