Home / 3,516.60-4,851.44-2,187.99

Finding the Fourth Proportional to 3,516.60, 4,851.44 and 2,187.99

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Solution

The fourth proportional to 3,516.60, 4,851.44 and 2,187.99 is: 3,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.60 : 4,851.44 = 2,187.99 : x
  2. Step 2: Convert to fraction form
    3,516.60/4,851.44 = 2,187.99/x
  3. Step 3: Cross multiply
    3,516.60x = 4,851.44 × 2,187.99
  4. Step 4: Simplify right side
    3,516.60x = 10,614,891.27
  5. Step 5: Solve for x
    x = 10,614,891.27/3,516.60
  6. Step 6: Final answer
    x = 3,018.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.