Home / 1,470.22-2,203.50-729.04

Finding the Fourth Proportional to 1,470.22, 2,203.50 and 729.04

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Solution

The fourth proportional to 1,470.22, 2,203.50 and 729.04 is: 1,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.22 : 2,203.50 = 729.04 : x
  2. Step 2: Convert to fraction form
    1,470.22/2,203.50 = 729.04/x
  3. Step 3: Cross multiply
    1,470.22x = 2,203.50 × 729.04
  4. Step 4: Simplify right side
    1,470.22x = 1,606,439.64
  5. Step 5: Solve for x
    x = 1,606,439.64/1,470.22
  6. Step 6: Final answer
    x = 1,092.65

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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.