Home / 2,983.69-4,116.11-1,804.60

Finding the Fourth Proportional to 2,983.69, 4,116.11 and 1,804.60

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Solution

The fourth proportional to 2,983.69, 4,116.11 and 1,804.60 is: 2,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.69 : 4,116.11 = 1,804.60 : x
  2. Step 2: Convert to fraction form
    2,983.69/4,116.11 = 1,804.60/x
  3. Step 3: Cross multiply
    2,983.69x = 4,116.11 × 1,804.60
  4. Step 4: Simplify right side
    2,983.69x = 7,427,932.11
  5. Step 5: Solve for x
    x = 7,427,932.11/2,983.69
  6. Step 6: Final answer
    x = 2,489.51

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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.