Home / 5,356.52-7,392.36-2,998.88

Finding the Fourth Proportional to 5,356.52, 7,392.36 and 2,998.88

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Solution

The fourth proportional to 5,356.52, 7,392.36 and 2,998.88 is: 4,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.52 : 7,392.36 = 2,998.88 : x
  2. Step 2: Convert to fraction form
    5,356.52/7,392.36 = 2,998.88/x
  3. Step 3: Cross multiply
    5,356.52x = 7,392.36 × 2,998.88
  4. Step 4: Simplify right side
    5,356.52x = 22,168,800.56
  5. Step 5: Solve for x
    x = 22,168,800.56/5,356.52
  6. Step 6: Final answer
    x = 4,138.66

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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.