Home / 7,002.20-10,495.86-3,711.92

Finding the Fourth Proportional to 7,002.20, 10,495.86 and 3,711.92

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Solution

The fourth proportional to 7,002.20, 10,495.86 and 3,711.92 is: 5,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.20 : 10,495.86 = 3,711.92 : x
  2. Step 2: Convert to fraction form
    7,002.20/10,495.86 = 3,711.92/x
  3. Step 3: Cross multiply
    7,002.20x = 10,495.86 × 3,711.92
  4. Step 4: Simplify right side
    7,002.20x = 38,959,792.65
  5. Step 5: Solve for x
    x = 38,959,792.65/7,002.20
  6. Step 6: Final answer
    x = 5,563.94

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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.