Home / 5,170.25-7,750.99-2,358.07

Finding the Fourth Proportional to 5,170.25, 7,750.99 and 2,358.07

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Solution

The fourth proportional to 5,170.25, 7,750.99 and 2,358.07 is: 3,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.25 : 7,750.99 = 2,358.07 : x
  2. Step 2: Convert to fraction form
    5,170.25/7,750.99 = 2,358.07/x
  3. Step 3: Cross multiply
    5,170.25x = 7,750.99 × 2,358.07
  4. Step 4: Simplify right side
    5,170.25x = 18,277,365.20
  5. Step 5: Solve for x
    x = 18,277,365.20/5,170.25
  6. Step 6: Final answer
    x = 3,535.11

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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.