Home / 4,407.20-6,611.52-1,774.70

Finding the Fourth Proportional to 4,407.20, 6,611.52 and 1,774.70

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Solution

The fourth proportional to 4,407.20, 6,611.52 and 1,774.70 is: 2,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.20 : 6,611.52 = 1,774.70 : x
  2. Step 2: Convert to fraction form
    4,407.20/6,611.52 = 1,774.70/x
  3. Step 3: Cross multiply
    4,407.20x = 6,611.52 × 1,774.70
  4. Step 4: Simplify right side
    4,407.20x = 11,733,464.54
  5. Step 5: Solve for x
    x = 11,733,464.54/4,407.20
  6. Step 6: Final answer
    x = 2,662.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.