Home / 3,169.26-4,752.54-3,139.02

Finding the Fourth Proportional to 3,169.26, 4,752.54 and 3,139.02

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Solution

The fourth proportional to 3,169.26, 4,752.54 and 3,139.02 is: 4,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.26 : 4,752.54 = 3,139.02 : x
  2. Step 2: Convert to fraction form
    3,169.26/4,752.54 = 3,139.02/x
  3. Step 3: Cross multiply
    3,169.26x = 4,752.54 × 3,139.02
  4. Step 4: Simplify right side
    3,169.26x = 14,918,318.11
  5. Step 5: Solve for x
    x = 14,918,318.11/3,169.26
  6. Step 6: Final answer
    x = 4,707.19

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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.