Home / 5,173.15-7,139.64-5,032.43

Finding the Fourth Proportional to 5,173.15, 7,139.64 and 5,032.43

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Solution

The fourth proportional to 5,173.15, 7,139.64 and 5,032.43 is: 6,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.15 : 7,139.64 = 5,032.43 : x
  2. Step 2: Convert to fraction form
    5,173.15/7,139.64 = 5,032.43/x
  3. Step 3: Cross multiply
    5,173.15x = 7,139.64 × 5,032.43
  4. Step 4: Simplify right side
    5,173.15x = 35,929,738.53
  5. Step 5: Solve for x
    x = 35,929,738.53/5,173.15
  6. Step 6: Final answer
    x = 6,945.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.