Home / 5,338.89-7,367.64-2,981.01

Finding the Fourth Proportional to 5,338.89, 7,367.64 and 2,981.01

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Solution

The fourth proportional to 5,338.89, 7,367.64 and 2,981.01 is: 4,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.89 : 7,367.64 = 2,981.01 : x
  2. Step 2: Convert to fraction form
    5,338.89/7,367.64 = 2,981.01/x
  3. Step 3: Cross multiply
    5,338.89x = 7,367.64 × 2,981.01
  4. Step 4: Simplify right side
    5,338.89x = 21,963,008.52
  5. Step 5: Solve for x
    x = 21,963,008.52/5,338.89
  6. Step 6: Final answer
    x = 4,113.78

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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.