Home / 4,385.76-6,573.96-2,190.12

Finding the Fourth Proportional to 4,385.76, 6,573.96 and 2,190.12

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Solution

The fourth proportional to 4,385.76, 6,573.96 and 2,190.12 is: 3,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.76 : 6,573.96 = 2,190.12 : x
  2. Step 2: Convert to fraction form
    4,385.76/6,573.96 = 2,190.12/x
  3. Step 3: Cross multiply
    4,385.76x = 6,573.96 × 2,190.12
  4. Step 4: Simplify right side
    4,385.76x = 14,397,761.28
  5. Step 5: Solve for x
    x = 14,397,761.28/4,385.76
  6. Step 6: Final answer
    x = 3,282.84

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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.