Home / 7,171.09-10,752.46-2,783.42

Finding the Fourth Proportional to 7,171.09, 10,752.46 and 2,783.42

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Solution

The fourth proportional to 7,171.09, 10,752.46 and 2,783.42 is: 4,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.09 : 10,752.46 = 2,783.42 : x
  2. Step 2: Convert to fraction form
    7,171.09/10,752.46 = 2,783.42/x
  3. Step 3: Cross multiply
    7,171.09x = 10,752.46 × 2,783.42
  4. Step 4: Simplify right side
    7,171.09x = 29,928,659.49
  5. Step 5: Solve for x
    x = 29,928,659.49/7,171.09
  6. Step 6: Final answer
    x = 4,173.51

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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.