Home / 4,186.12-5,776.98-2,771.02

Finding the Fourth Proportional to 4,186.12, 5,776.98 and 2,771.02

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Solution

The fourth proportional to 4,186.12, 5,776.98 and 2,771.02 is: 3,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.12 : 5,776.98 = 2,771.02 : x
  2. Step 2: Convert to fraction form
    4,186.12/5,776.98 = 2,771.02/x
  3. Step 3: Cross multiply
    4,186.12x = 5,776.98 × 2,771.02
  4. Step 4: Simplify right side
    4,186.12x = 16,008,127.12
  5. Step 5: Solve for x
    x = 16,008,127.12/4,186.12
  6. Step 6: Final answer
    x = 3,824.10

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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.