Home / 4,000.16-5,520.04-2,231.96

Finding the Fourth Proportional to 4,000.16, 5,520.04 and 2,231.96

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Solution

The fourth proportional to 4,000.16, 5,520.04 and 2,231.96 is: 3,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.16 : 5,520.04 = 2,231.96 : x
  2. Step 2: Convert to fraction form
    4,000.16/5,520.04 = 2,231.96/x
  3. Step 3: Cross multiply
    4,000.16x = 5,520.04 × 2,231.96
  4. Step 4: Simplify right side
    4,000.16x = 12,320,508.48
  5. Step 5: Solve for x
    x = 12,320,508.48/4,000.16
  6. Step 6: Final answer
    x = 3,080.00

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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.