Home / 3,201.09-4,417.44-1,784.77

Finding the Fourth Proportional to 3,201.09, 4,417.44 and 1,784.77

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Solution

The fourth proportional to 3,201.09, 4,417.44 and 1,784.77 is: 2,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.09 : 4,417.44 = 1,784.77 : x
  2. Step 2: Convert to fraction form
    3,201.09/4,417.44 = 1,784.77/x
  3. Step 3: Cross multiply
    3,201.09x = 4,417.44 × 1,784.77
  4. Step 4: Simplify right side
    3,201.09x = 7,884,121.50
  5. Step 5: Solve for x
    x = 7,884,121.50/3,201.09
  6. Step 6: Final answer
    x = 2,462.95

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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.