Home / 5,206.77-7,186.64-2,969.97

Finding the Fourth Proportional to 5,206.77, 7,186.64 and 2,969.97

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Solution

The fourth proportional to 5,206.77, 7,186.64 and 2,969.97 is: 4,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.77 : 7,186.64 = 2,969.97 : x
  2. Step 2: Convert to fraction form
    5,206.77/7,186.64 = 2,969.97/x
  3. Step 3: Cross multiply
    5,206.77x = 7,186.64 × 2,969.97
  4. Step 4: Simplify right side
    5,206.77x = 21,344,105.20
  5. Step 5: Solve for x
    x = 21,344,105.20/5,206.77
  6. Step 6: Final answer
    x = 4,099.30

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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.