Home / 1,909.26-2,863.76-610.56

Finding the Fourth Proportional to 1,909.26, 2,863.76 and 610.56

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Solution

The fourth proportional to 1,909.26, 2,863.76 and 610.56 is: 915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.26 : 2,863.76 = 610.56 : x
  2. Step 2: Convert to fraction form
    1,909.26/2,863.76 = 610.56/x
  3. Step 3: Cross multiply
    1,909.26x = 2,863.76 × 610.56
  4. Step 4: Simplify right side
    1,909.26x = 1,748,494.25
  5. Step 5: Solve for x
    x = 1,748,494.25/1,909.26
  6. Step 6: Final answer
    x = 915.80

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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.