Home / 4,065.92-5,611.28-2,297.72

Finding the Fourth Proportional to 4,065.92, 5,611.28 and 2,297.72

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Solution

The fourth proportional to 4,065.92, 5,611.28 and 2,297.72 is: 3,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.92 : 5,611.28 = 2,297.72 : x
  2. Step 2: Convert to fraction form
    4,065.92/5,611.28 = 2,297.72/x
  3. Step 3: Cross multiply
    4,065.92x = 5,611.28 × 2,297.72
  4. Step 4: Simplify right side
    4,065.92x = 12,893,150.28
  5. Step 5: Solve for x
    x = 12,893,150.28/4,065.92
  6. Step 6: Final answer
    x = 3,171.03

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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.