Home / 3,167.56-4,749.66-1,114.12

Finding the Fourth Proportional to 3,167.56, 4,749.66 and 1,114.12

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Solution

The fourth proportional to 3,167.56, 4,749.66 and 1,114.12 is: 1,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.56 : 4,749.66 = 1,114.12 : x
  2. Step 2: Convert to fraction form
    3,167.56/4,749.66 = 1,114.12/x
  3. Step 3: Cross multiply
    3,167.56x = 4,749.66 × 1,114.12
  4. Step 4: Simplify right side
    3,167.56x = 5,291,691.20
  5. Step 5: Solve for x
    x = 5,291,691.20/3,167.56
  6. Step 6: Final answer
    x = 1,670.59

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1.5x scale

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.