Home / 5,208.38-7,186.10-3,082.98

Finding the Fourth Proportional to 5,208.38, 7,186.10 and 3,082.98

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Solution

The fourth proportional to 5,208.38, 7,186.10 and 3,082.98 is: 4,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.38 : 7,186.10 = 3,082.98 : x
  2. Step 2: Convert to fraction form
    5,208.38/7,186.10 = 3,082.98/x
  3. Step 3: Cross multiply
    5,208.38x = 7,186.10 × 3,082.98
  4. Step 4: Simplify right side
    5,208.38x = 22,154,551.23
  5. Step 5: Solve for x
    x = 22,154,551.23/5,208.38
  6. Step 6: Final answer
    x = 4,253.64

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1.5x scale

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.