Home / 4,272.74-6,404.24-1,803.86

Finding the Fourth Proportional to 4,272.74, 6,404.24 and 1,803.86

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Solution

The fourth proportional to 4,272.74, 6,404.24 and 1,803.86 is: 2,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.74 : 6,404.24 = 1,803.86 : x
  2. Step 2: Convert to fraction form
    4,272.74/6,404.24 = 1,803.86/x
  3. Step 3: Cross multiply
    4,272.74x = 6,404.24 × 1,803.86
  4. Step 4: Simplify right side
    4,272.74x = 11,552,352.37
  5. Step 5: Solve for x
    x = 11,552,352.37/4,272.74
  6. Step 6: Final answer
    x = 2,703.73

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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.