Home / 5,371.39-8,047.68-3,728.98

Finding the Fourth Proportional to 5,371.39, 8,047.68 and 3,728.98

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Solution

The fourth proportional to 5,371.39, 8,047.68 and 3,728.98 is: 5,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.39 : 8,047.68 = 3,728.98 : x
  2. Step 2: Convert to fraction form
    5,371.39/8,047.68 = 3,728.98/x
  3. Step 3: Cross multiply
    5,371.39x = 8,047.68 × 3,728.98
  4. Step 4: Simplify right side
    5,371.39x = 30,009,637.77
  5. Step 5: Solve for x
    x = 30,009,637.77/5,371.39
  6. Step 6: Final answer
    x = 5,586.94

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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.