Home / 3,309.07-4,963.48-1,553.43

Finding the Fourth Proportional to 3,309.07, 4,963.48 and 1,553.43

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Solution

The fourth proportional to 3,309.07, 4,963.48 and 1,553.43 is: 2,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.07 : 4,963.48 = 1,553.43 : x
  2. Step 2: Convert to fraction form
    3,309.07/4,963.48 = 1,553.43/x
  3. Step 3: Cross multiply
    3,309.07x = 4,963.48 × 1,553.43
  4. Step 4: Simplify right side
    3,309.07x = 7,710,418.74
  5. Step 5: Solve for x
    x = 7,710,418.74/3,309.07
  6. Step 6: Final answer
    x = 2,330.09

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1.5x scale

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.