Home / 7,132.68-10,678.20-4,162.02

Finding the Fourth Proportional to 7,132.68, 10,678.20 and 4,162.02

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Solution

The fourth proportional to 7,132.68, 10,678.20 and 4,162.02 is: 6,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.68 : 10,678.20 = 4,162.02 : x
  2. Step 2: Convert to fraction form
    7,132.68/10,678.20 = 4,162.02/x
  3. Step 3: Cross multiply
    7,132.68x = 10,678.20 × 4,162.02
  4. Step 4: Simplify right side
    7,132.68x = 44,442,881.96
  5. Step 5: Solve for x
    x = 44,442,881.96/7,132.68
  6. Step 6: Final answer
    x = 6,230.88

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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.