Home / 3,242.14-4,473.97-1,915.97

Finding the Fourth Proportional to 3,242.14, 4,473.97 and 1,915.97

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Solution

The fourth proportional to 3,242.14, 4,473.97 and 1,915.97 is: 2,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.14 : 4,473.97 = 1,915.97 : x
  2. Step 2: Convert to fraction form
    3,242.14/4,473.97 = 1,915.97/x
  3. Step 3: Cross multiply
    3,242.14x = 4,473.97 × 1,915.97
  4. Step 4: Simplify right side
    3,242.14x = 8,571,965.14
  5. Step 5: Solve for x
    x = 8,571,965.14/3,242.14
  6. Step 6: Final answer
    x = 2,643.92

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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.