Home / 3,747.11-5,618.70-1,114.25

Finding the Fourth Proportional to 3,747.11, 5,618.70 and 1,114.25

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Solution

The fourth proportional to 3,747.11, 5,618.70 and 1,114.25 is: 1,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.11 : 5,618.70 = 1,114.25 : x
  2. Step 2: Convert to fraction form
    3,747.11/5,618.70 = 1,114.25/x
  3. Step 3: Cross multiply
    3,747.11x = 5,618.70 × 1,114.25
  4. Step 4: Simplify right side
    3,747.11x = 6,260,636.48
  5. Step 5: Solve for x
    x = 6,260,636.48/3,747.11
  6. Step 6: Final answer
    x = 1,670.79

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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.