Home / 3,518.60-5,277.90-1,960.97

Finding the Fourth Proportional to 3,518.60, 5,277.90 and 1,960.97

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Solution

The fourth proportional to 3,518.60, 5,277.90 and 1,960.97 is: 2,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.60 : 5,277.90 = 1,960.97 : x
  2. Step 2: Convert to fraction form
    3,518.60/5,277.90 = 1,960.97/x
  3. Step 3: Cross multiply
    3,518.60x = 5,277.90 × 1,960.97
  4. Step 4: Simplify right side
    3,518.60x = 10,349,803.56
  5. Step 5: Solve for x
    x = 10,349,803.56/3,518.60
  6. Step 6: Final answer
    x = 2,941.46

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Similar ratio
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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.