Home / 4,701.20-7,042.04-2,105.96

Finding the Fourth Proportional to 4,701.20, 7,042.04 and 2,105.96

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Solution

The fourth proportional to 4,701.20, 7,042.04 and 2,105.96 is: 3,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.20 : 7,042.04 = 2,105.96 : x
  2. Step 2: Convert to fraction form
    4,701.20/7,042.04 = 2,105.96/x
  3. Step 3: Cross multiply
    4,701.20x = 7,042.04 × 2,105.96
  4. Step 4: Simplify right side
    4,701.20x = 14,830,254.56
  5. Step 5: Solve for x
    x = 14,830,254.56/4,701.20
  6. Step 6: Final answer
    x = 3,154.57

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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.