Home / 2,152.11-2,969.80-1,194.96

Finding the Fourth Proportional to 2,152.11, 2,969.80 and 1,194.96

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Solution

The fourth proportional to 2,152.11, 2,969.80 and 1,194.96 is: 1,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.11 : 2,969.80 = 1,194.96 : x
  2. Step 2: Convert to fraction form
    2,152.11/2,969.80 = 1,194.96/x
  3. Step 3: Cross multiply
    2,152.11x = 2,969.80 × 1,194.96
  4. Step 4: Simplify right side
    2,152.11x = 3,548,792.21
  5. Step 5: Solve for x
    x = 3,548,792.21/2,152.11
  6. Step 6: Final answer
    x = 1,648.98

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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.