Home / 3,167.08-4,749.40-1,412.62

Finding the Fourth Proportional to 3,167.08, 4,749.40 and 1,412.62

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Solution

The fourth proportional to 3,167.08, 4,749.40 and 1,412.62 is: 2,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.08 : 4,749.40 = 1,412.62 : x
  2. Step 2: Convert to fraction form
    3,167.08/4,749.40 = 1,412.62/x
  3. Step 3: Cross multiply
    3,167.08x = 4,749.40 × 1,412.62
  4. Step 4: Simplify right side
    3,167.08x = 6,709,097.43
  5. Step 5: Solve for x
    x = 6,709,097.43/3,167.08
  6. Step 6: Final answer
    x = 2,118.39

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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.