Home / 6,980.14-10,468.38-3,281.68

Finding the Fourth Proportional to 6,980.14, 10,468.38 and 3,281.68

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Solution

The fourth proportional to 6,980.14, 10,468.38 and 3,281.68 is: 4,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.14 : 10,468.38 = 3,281.68 : x
  2. Step 2: Convert to fraction form
    6,980.14/10,468.38 = 3,281.68/x
  3. Step 3: Cross multiply
    6,980.14x = 10,468.38 × 3,281.68
  4. Step 4: Simplify right side
    6,980.14x = 34,353,820.94
  5. Step 5: Solve for x
    x = 34,353,820.94/6,980.14
  6. Step 6: Final answer
    x = 4,921.66

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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.