Home / 6,981.57-10,460.04-3,687.39

Finding the Fourth Proportional to 6,981.57, 10,460.04 and 3,687.39

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Solution

The fourth proportional to 6,981.57, 10,460.04 and 3,687.39 is: 5,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.57 : 10,460.04 = 3,687.39 : x
  2. Step 2: Convert to fraction form
    6,981.57/10,460.04 = 3,687.39/x
  3. Step 3: Cross multiply
    6,981.57x = 10,460.04 × 3,687.39
  4. Step 4: Simplify right side
    6,981.57x = 38,570,246.90
  5. Step 5: Solve for x
    x = 38,570,246.90/6,981.57
  6. Step 6: Final answer
    x = 5,524.58

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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.