Home / 6,649.38-9,176.61-3,665.58

Finding the Fourth Proportional to 6,649.38, 9,176.61 and 3,665.58

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Solution

The fourth proportional to 6,649.38, 9,176.61 and 3,665.58 is: 5,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.38 : 9,176.61 = 3,665.58 : x
  2. Step 2: Convert to fraction form
    6,649.38/9,176.61 = 3,665.58/x
  3. Step 3: Cross multiply
    6,649.38x = 9,176.61 × 3,665.58
  4. Step 4: Simplify right side
    6,649.38x = 33,637,598.08
  5. Step 5: Solve for x
    x = 33,637,598.08/6,649.38
  6. Step 6: Final answer
    x = 5,058.76

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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.