Home / 5,107.48-7,661.46-2,182.84

Finding the Fourth Proportional to 5,107.48, 7,661.46 and 2,182.84

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Solution

The fourth proportional to 5,107.48, 7,661.46 and 2,182.84 is: 3,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.48 : 7,661.46 = 2,182.84 : x
  2. Step 2: Convert to fraction form
    5,107.48/7,661.46 = 2,182.84/x
  3. Step 3: Cross multiply
    5,107.48x = 7,661.46 × 2,182.84
  4. Step 4: Simplify right side
    5,107.48x = 16,723,741.35
  5. Step 5: Solve for x
    x = 16,723,741.35/5,107.48
  6. Step 6: Final answer
    x = 3,274.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.