Home / 6,507.21-8,979.35-3,673.83

Finding the Fourth Proportional to 6,507.21, 8,979.35 and 3,673.83

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Solution

The fourth proportional to 6,507.21, 8,979.35 and 3,673.83 is: 5,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.21 : 8,979.35 = 3,673.83 : x
  2. Step 2: Convert to fraction form
    6,507.21/8,979.35 = 3,673.83/x
  3. Step 3: Cross multiply
    6,507.21x = 8,979.35 × 3,673.83
  4. Step 4: Simplify right side
    6,507.21x = 32,988,587.04
  5. Step 5: Solve for x
    x = 32,988,587.04/6,507.21
  6. Step 6: Final answer
    x = 5,069.54

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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.