Home / 2,979.87-4,469.81-1,032.07

Finding the Fourth Proportional to 2,979.87, 4,469.81 and 1,032.07

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Solution

The fourth proportional to 2,979.87, 4,469.81 and 1,032.07 is: 1,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.87 : 4,469.81 = 1,032.07 : x
  2. Step 2: Convert to fraction form
    2,979.87/4,469.81 = 1,032.07/x
  3. Step 3: Cross multiply
    2,979.87x = 4,469.81 × 1,032.07
  4. Step 4: Simplify right side
    2,979.87x = 4,613,157.23
  5. Step 5: Solve for x
    x = 4,613,157.23/2,979.87
  6. Step 6: Final answer
    x = 1,548.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.