Home / 5,243.76-7,237.08-3,148.02

Finding the Fourth Proportional to 5,243.76, 7,237.08 and 3,148.02

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Solution

The fourth proportional to 5,243.76, 7,237.08 and 3,148.02 is: 4,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.76 : 7,237.08 = 3,148.02 : x
  2. Step 2: Convert to fraction form
    5,243.76/7,237.08 = 3,148.02/x
  3. Step 3: Cross multiply
    5,243.76x = 7,237.08 × 3,148.02
  4. Step 4: Simplify right side
    5,243.76x = 22,782,472.58
  5. Step 5: Solve for x
    x = 22,782,472.58/5,243.76
  6. Step 6: Final answer
    x = 4,344.68

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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.