Home / 4,107.29-5,666.13-2,986.16

Finding the Fourth Proportional to 4,107.29, 5,666.13 and 2,986.16

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Solution

The fourth proportional to 4,107.29, 5,666.13 and 2,986.16 is: 4,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.29 : 5,666.13 = 2,986.16 : x
  2. Step 2: Convert to fraction form
    4,107.29/5,666.13 = 2,986.16/x
  3. Step 3: Cross multiply
    4,107.29x = 5,666.13 × 2,986.16
  4. Step 4: Simplify right side
    4,107.29x = 16,919,942.43
  5. Step 5: Solve for x
    x = 16,919,942.43/4,107.29
  6. Step 6: Final answer
    x = 4,119.50

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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.