Home / 7,326.32-10,981.24-2,938.68

Finding the Fourth Proportional to 7,326.32, 10,981.24 and 2,938.68

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Solution

The fourth proportional to 7,326.32, 10,981.24 and 2,938.68 is: 4,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.32 : 10,981.24 = 2,938.68 : x
  2. Step 2: Convert to fraction form
    7,326.32/10,981.24 = 2,938.68/x
  3. Step 3: Cross multiply
    7,326.32x = 10,981.24 × 2,938.68
  4. Step 4: Simplify right side
    7,326.32x = 32,270,343.02
  5. Step 5: Solve for x
    x = 32,270,343.02/7,326.32
  6. Step 6: Final answer
    x = 4,404.72

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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.