Home / 5,103.12-7,655.58-2,637.27

Finding the Fourth Proportional to 5,103.12, 7,655.58 and 2,637.27

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Solution

The fourth proportional to 5,103.12, 7,655.58 and 2,637.27 is: 3,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.12 : 7,655.58 = 2,637.27 : x
  2. Step 2: Convert to fraction form
    5,103.12/7,655.58 = 2,637.27/x
  3. Step 3: Cross multiply
    5,103.12x = 7,655.58 × 2,637.27
  4. Step 4: Simplify right side
    5,103.12x = 20,189,831.47
  5. Step 5: Solve for x
    x = 20,189,831.47/5,103.12
  6. Step 6: Final answer
    x = 3,956.37

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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.