Home / 1,941.12-2,910.08-1,453.12

Finding the Fourth Proportional to 1,941.12, 2,910.08 and 1,453.12

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Solution

The fourth proportional to 1,941.12, 2,910.08 and 1,453.12 is: 2,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.12 : 2,910.08 = 1,453.12 : x
  2. Step 2: Convert to fraction form
    1,941.12/2,910.08 = 1,453.12/x
  3. Step 3: Cross multiply
    1,941.12x = 2,910.08 × 1,453.12
  4. Step 4: Simplify right side
    1,941.12x = 4,228,695.45
  5. Step 5: Solve for x
    x = 4,228,695.45/1,941.12
  6. Step 6: Final answer
    x = 2,178.48

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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.