Home / 3,470.94-5,208.45-1,281.18

Finding the Fourth Proportional to 3,470.94, 5,208.45 and 1,281.18

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Solution

The fourth proportional to 3,470.94, 5,208.45 and 1,281.18 is: 1,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.94 : 5,208.45 = 1,281.18 : x
  2. Step 2: Convert to fraction form
    3,470.94/5,208.45 = 1,281.18/x
  3. Step 3: Cross multiply
    3,470.94x = 5,208.45 × 1,281.18
  4. Step 4: Simplify right side
    3,470.94x = 6,672,961.97
  5. Step 5: Solve for x
    x = 6,672,961.97/3,470.94
  6. Step 6: Final answer
    x = 1,922.52

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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.