Home / 5,206.94-7,185.62-2,849.10

Finding the Fourth Proportional to 5,206.94, 7,185.62 and 2,849.10

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Solution

The fourth proportional to 5,206.94, 7,185.62 and 2,849.10 is: 3,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.94 : 7,185.62 = 2,849.10 : x
  2. Step 2: Convert to fraction form
    5,206.94/7,185.62 = 2,849.10/x
  3. Step 3: Cross multiply
    5,206.94x = 7,185.62 × 2,849.10
  4. Step 4: Simplify right side
    5,206.94x = 20,472,549.94
  5. Step 5: Solve for x
    x = 20,472,549.94/5,206.94
  6. Step 6: Final answer
    x = 3,931.78

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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.