Home / 1,517.19-2,275.78-1,029.03

Finding the Fourth Proportional to 1,517.19, 2,275.78 and 1,029.03

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Solution

The fourth proportional to 1,517.19, 2,275.78 and 1,029.03 is: 1,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.19 : 2,275.78 = 1,029.03 : x
  2. Step 2: Convert to fraction form
    1,517.19/2,275.78 = 1,029.03/x
  3. Step 3: Cross multiply
    1,517.19x = 2,275.78 × 1,029.03
  4. Step 4: Simplify right side
    1,517.19x = 2,341,845.89
  5. Step 5: Solve for x
    x = 2,341,845.89/1,517.19
  6. Step 6: Final answer
    x = 1,543.54

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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.