Home / 5,244.20-7,867.65-1,957.31

Finding the Fourth Proportional to 5,244.20, 7,867.65 and 1,957.31

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Solution

The fourth proportional to 5,244.20, 7,867.65 and 1,957.31 is: 2,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.20 : 7,867.65 = 1,957.31 : x
  2. Step 2: Convert to fraction form
    5,244.20/7,867.65 = 1,957.31/x
  3. Step 3: Cross multiply
    5,244.20x = 7,867.65 × 1,957.31
  4. Step 4: Simplify right side
    5,244.20x = 15,399,430.02
  5. Step 5: Solve for x
    x = 15,399,430.02/5,244.20
  6. Step 6: Final answer
    x = 2,936.47

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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.