Home / 2,650.71-3,973.14-1,332.35

Finding the Fourth Proportional to 2,650.71, 3,973.14 and 1,332.35

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Solution

The fourth proportional to 2,650.71, 3,973.14 and 1,332.35 is: 1,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.71 : 3,973.14 = 1,332.35 : x
  2. Step 2: Convert to fraction form
    2,650.71/3,973.14 = 1,332.35/x
  3. Step 3: Cross multiply
    2,650.71x = 3,973.14 × 1,332.35
  4. Step 4: Simplify right side
    2,650.71x = 5,293,593.21
  5. Step 5: Solve for x
    x = 5,293,593.21/2,650.71
  6. Step 6: Final answer
    x = 1,997.05

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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.