Home / 2,931.24-4,399.08-1,083.48

Finding the Fourth Proportional to 2,931.24, 4,399.08 and 1,083.48

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Solution

The fourth proportional to 2,931.24, 4,399.08 and 1,083.48 is: 1,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.24 : 4,399.08 = 1,083.48 : x
  2. Step 2: Convert to fraction form
    2,931.24/4,399.08 = 1,083.48/x
  3. Step 3: Cross multiply
    2,931.24x = 4,399.08 × 1,083.48
  4. Step 4: Simplify right side
    2,931.24x = 4,766,315.20
  5. Step 5: Solve for x
    x = 4,766,315.20/2,931.24
  6. Step 6: Final answer
    x = 1,626.04

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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.