Home / 5,209.00-7,186.30-3,082.95

Finding the Fourth Proportional to 5,209.00, 7,186.30 and 3,082.95

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Solution

The fourth proportional to 5,209.00, 7,186.30 and 3,082.95 is: 4,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.00 : 7,186.30 = 3,082.95 : x
  2. Step 2: Convert to fraction form
    5,209.00/7,186.30 = 3,082.95/x
  3. Step 3: Cross multiply
    5,209.00x = 7,186.30 × 3,082.95
  4. Step 4: Simplify right side
    5,209.00x = 22,154,995.88
  5. Step 5: Solve for x
    x = 22,154,995.88/5,209.00
  6. Step 6: Final answer
    x = 4,253.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.