Home / 7,235.42-10,851.78-2,850.62

Finding the Fourth Proportional to 7,235.42, 10,851.78 and 2,850.62

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Solution

The fourth proportional to 7,235.42, 10,851.78 and 2,850.62 is: 4,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.42 : 10,851.78 = 2,850.62 : x
  2. Step 2: Convert to fraction form
    7,235.42/10,851.78 = 2,850.62/x
  3. Step 3: Cross multiply
    7,235.42x = 10,851.78 × 2,850.62
  4. Step 4: Simplify right side
    7,235.42x = 30,934,301.10
  5. Step 5: Solve for x
    x = 30,934,301.10/7,235.42
  6. Step 6: Final answer
    x = 4,275.40

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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.