Home / 5,149.63-7,724.43-1,254.04

Finding the Fourth Proportional to 5,149.63, 7,724.43 and 1,254.04

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Solution

The fourth proportional to 5,149.63, 7,724.43 and 1,254.04 is: 1,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.63 : 7,724.43 = 1,254.04 : x
  2. Step 2: Convert to fraction form
    5,149.63/7,724.43 = 1,254.04/x
  3. Step 3: Cross multiply
    5,149.63x = 7,724.43 × 1,254.04
  4. Step 4: Simplify right side
    5,149.63x = 9,686,744.20
  5. Step 5: Solve for x
    x = 9,686,744.20/5,149.63
  6. Step 6: Final answer
    x = 1,881.06

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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.