Home / 2,965.47-4,425.18-2,571.81

Finding the Fourth Proportional to 2,965.47, 4,425.18 and 2,571.81

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Solution

The fourth proportional to 2,965.47, 4,425.18 and 2,571.81 is: 3,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.47 : 4,425.18 = 2,571.81 : x
  2. Step 2: Convert to fraction form
    2,965.47/4,425.18 = 2,571.81/x
  3. Step 3: Cross multiply
    2,965.47x = 4,425.18 × 2,571.81
  4. Step 4: Simplify right side
    2,965.47x = 11,380,722.18
  5. Step 5: Solve for x
    x = 11,380,722.18/2,965.47
  6. Step 6: Final answer
    x = 3,837.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.