Home / 5,076.25-7,615.79-1,566.31

Finding the Fourth Proportional to 5,076.25, 7,615.79 and 1,566.31

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Solution

The fourth proportional to 5,076.25, 7,615.79 and 1,566.31 is: 2,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.25 : 7,615.79 = 1,566.31 : x
  2. Step 2: Convert to fraction form
    5,076.25/7,615.79 = 1,566.31/x
  3. Step 3: Cross multiply
    5,076.25x = 7,615.79 × 1,566.31
  4. Step 4: Simplify right side
    5,076.25x = 11,928,688.03
  5. Step 5: Solve for x
    x = 11,928,688.03/5,076.25
  6. Step 6: Final answer
    x = 2,349.90

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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.