Home / 3,960.24-5,939.94-1,038.16

Finding the Fourth Proportional to 3,960.24, 5,939.94 and 1,038.16

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Solution

The fourth proportional to 3,960.24, 5,939.94 and 1,038.16 is: 1,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.24 : 5,939.94 = 1,038.16 : x
  2. Step 2: Convert to fraction form
    3,960.24/5,939.94 = 1,038.16/x
  3. Step 3: Cross multiply
    3,960.24x = 5,939.94 × 1,038.16
  4. Step 4: Simplify right side
    3,960.24x = 6,166,608.11
  5. Step 5: Solve for x
    x = 6,166,608.11/3,960.24
  6. Step 6: Final answer
    x = 1,557.13

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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.