Home / 1,336.14-2,004.21-470.52

Finding the Fourth Proportional to 1,336.14, 2,004.21 and 470.52

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Solution

The fourth proportional to 1,336.14, 2,004.21 and 470.52 is: 705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.14 : 2,004.21 = 470.52 : x
  2. Step 2: Convert to fraction form
    1,336.14/2,004.21 = 470.52/x
  3. Step 3: Cross multiply
    1,336.14x = 2,004.21 × 470.52
  4. Step 4: Simplify right side
    1,336.14x = 943,020.89
  5. Step 5: Solve for x
    x = 943,020.89/1,336.14
  6. Step 6: Final answer
    x = 705.78

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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.