Home / 7,250.28-10,005.42-4,107.08

Finding the Fourth Proportional to 7,250.28, 10,005.42 and 4,107.08

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Solution

The fourth proportional to 7,250.28, 10,005.42 and 4,107.08 is: 5,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.28 : 10,005.42 = 4,107.08 : x
  2. Step 2: Convert to fraction form
    7,250.28/10,005.42 = 4,107.08/x
  3. Step 3: Cross multiply
    7,250.28x = 10,005.42 × 4,107.08
  4. Step 4: Simplify right side
    7,250.28x = 41,093,060.37
  5. Step 5: Solve for x
    x = 41,093,060.37/7,250.28
  6. Step 6: Final answer
    x = 5,667.79

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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.