Home / 4,915.29-6,778.47-3,794.46

Finding the Fourth Proportional to 4,915.29, 6,778.47 and 3,794.46

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Solution

The fourth proportional to 4,915.29, 6,778.47 and 3,794.46 is: 5,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.29 : 6,778.47 = 3,794.46 : x
  2. Step 2: Convert to fraction form
    4,915.29/6,778.47 = 3,794.46/x
  3. Step 3: Cross multiply
    4,915.29x = 6,778.47 × 3,794.46
  4. Step 4: Simplify right side
    4,915.29x = 25,720,633.28
  5. Step 5: Solve for x
    x = 25,720,633.28/4,915.29
  6. Step 6: Final answer
    x = 5,232.78

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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.