Home / 4,985.48-7,472.82-3,749.24

Finding the Fourth Proportional to 4,985.48, 7,472.82 and 3,749.24

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Solution

The fourth proportional to 4,985.48, 7,472.82 and 3,749.24 is: 5,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.48 : 7,472.82 = 3,749.24 : x
  2. Step 2: Convert to fraction form
    4,985.48/7,472.82 = 3,749.24/x
  3. Step 3: Cross multiply
    4,985.48x = 7,472.82 × 3,749.24
  4. Step 4: Simplify right side
    4,985.48x = 28,017,395.66
  5. Step 5: Solve for x
    x = 28,017,395.66/4,985.48
  6. Step 6: Final answer
    x = 5,619.80

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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.