Home / 5,170.12-7,744.47-2,697.45

Finding the Fourth Proportional to 5,170.12, 7,744.47 and 2,697.45

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Solution

The fourth proportional to 5,170.12, 7,744.47 and 2,697.45 is: 4,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.12 : 7,744.47 = 2,697.45 : x
  2. Step 2: Convert to fraction form
    5,170.12/7,744.47 = 2,697.45/x
  3. Step 3: Cross multiply
    5,170.12x = 7,744.47 × 2,697.45
  4. Step 4: Simplify right side
    5,170.12x = 20,890,320.60
  5. Step 5: Solve for x
    x = 20,890,320.60/5,170.12
  6. Step 6: Final answer
    x = 4,040.59

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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.