Home / 5,362.02-8,039.78-2,399.92

Finding the Fourth Proportional to 5,362.02, 8,039.78 and 2,399.92

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Solution

The fourth proportional to 5,362.02, 8,039.78 and 2,399.92 is: 3,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.02 : 8,039.78 = 2,399.92 : x
  2. Step 2: Convert to fraction form
    5,362.02/8,039.78 = 2,399.92/x
  3. Step 3: Cross multiply
    5,362.02x = 8,039.78 × 2,399.92
  4. Step 4: Simplify right side
    5,362.02x = 19,294,805.72
  5. Step 5: Solve for x
    x = 19,294,805.72/5,362.02
  6. Step 6: Final answer
    x = 3,598.42

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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.