Home / 1,342.26-2,013.45-464.80

Finding the Fourth Proportional to 1,342.26, 2,013.45 and 464.80

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Solution

The fourth proportional to 1,342.26, 2,013.45 and 464.80 is: 697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.26 : 2,013.45 = 464.80 : x
  2. Step 2: Convert to fraction form
    1,342.26/2,013.45 = 464.80/x
  3. Step 3: Cross multiply
    1,342.26x = 2,013.45 × 464.80
  4. Step 4: Simplify right side
    1,342.26x = 935,851.56
  5. Step 5: Solve for x
    x = 935,851.56/1,342.26
  6. Step 6: Final answer
    x = 697.22

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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.