Home / 5,313.20-7,970.29-2,351.25

Finding the Fourth Proportional to 5,313.20, 7,970.29 and 2,351.25

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Solution

The fourth proportional to 5,313.20, 7,970.29 and 2,351.25 is: 3,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.20 : 7,970.29 = 2,351.25 : x
  2. Step 2: Convert to fraction form
    5,313.20/7,970.29 = 2,351.25/x
  3. Step 3: Cross multiply
    5,313.20x = 7,970.29 × 2,351.25
  4. Step 4: Simplify right side
    5,313.20x = 18,740,138.48
  5. Step 5: Solve for x
    x = 18,740,138.48/5,313.20
  6. Step 6: Final answer
    x = 3,527.09

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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.