Home / 5,356.34-7,391.45-2,998.02

Finding the Fourth Proportional to 5,356.34, 7,391.45 and 2,998.02

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Solution

The fourth proportional to 5,356.34, 7,391.45 and 2,998.02 is: 4,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.34 : 7,391.45 = 2,998.02 : x
  2. Step 2: Convert to fraction form
    5,356.34/7,391.45 = 2,998.02/x
  3. Step 3: Cross multiply
    5,356.34x = 7,391.45 × 2,998.02
  4. Step 4: Simplify right side
    5,356.34x = 22,159,714.93
  5. Step 5: Solve for x
    x = 22,159,714.93/5,356.34
  6. Step 6: Final answer
    x = 4,137.10

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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.