Home / 3,059.22-4,221.36-1,800.66

Finding the Fourth Proportional to 3,059.22, 4,221.36 and 1,800.66

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Solution

The fourth proportional to 3,059.22, 4,221.36 and 1,800.66 is: 2,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.22 : 4,221.36 = 1,800.66 : x
  2. Step 2: Convert to fraction form
    3,059.22/4,221.36 = 1,800.66/x
  3. Step 3: Cross multiply
    3,059.22x = 4,221.36 × 1,800.66
  4. Step 4: Simplify right side
    3,059.22x = 7,601,234.10
  5. Step 5: Solve for x
    x = 7,601,234.10/3,059.22
  6. Step 6: Final answer
    x = 2,484.70

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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.