Home / 4,391.61-6,579.20-2,309.10

Finding the Fourth Proportional to 4,391.61, 6,579.20 and 2,309.10

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Solution

The fourth proportional to 4,391.61, 6,579.20 and 2,309.10 is: 3,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.61 : 6,579.20 = 2,309.10 : x
  2. Step 2: Convert to fraction form
    4,391.61/6,579.20 = 2,309.10/x
  3. Step 3: Cross multiply
    4,391.61x = 6,579.20 × 2,309.10
  4. Step 4: Simplify right side
    4,391.61x = 15,192,030.72
  5. Step 5: Solve for x
    x = 15,192,030.72/4,391.61
  6. Step 6: Final answer
    x = 3,459.33

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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.