Home / 6,915.92-9,544.20-3,772.28

Finding the Fourth Proportional to 6,915.92, 9,544.20 and 3,772.28

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Solution

The fourth proportional to 6,915.92, 9,544.20 and 3,772.28 is: 5,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.92 : 9,544.20 = 3,772.28 : x
  2. Step 2: Convert to fraction form
    6,915.92/9,544.20 = 3,772.28/x
  3. Step 3: Cross multiply
    6,915.92x = 9,544.20 × 3,772.28
  4. Step 4: Simplify right side
    6,915.92x = 36,003,394.78
  5. Step 5: Solve for x
    x = 36,003,394.78/6,915.92
  6. Step 6: Final answer
    x = 5,205.87

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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.