Home / 3,135.03-4,702.34-1,055.22

Finding the Fourth Proportional to 3,135.03, 4,702.34 and 1,055.22

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Solution

The fourth proportional to 3,135.03, 4,702.34 and 1,055.22 is: 1,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.03 : 4,702.34 = 1,055.22 : x
  2. Step 2: Convert to fraction form
    3,135.03/4,702.34 = 1,055.22/x
  3. Step 3: Cross multiply
    3,135.03x = 4,702.34 × 1,055.22
  4. Step 4: Simplify right side
    3,135.03x = 4,961,997.94
  5. Step 5: Solve for x
    x = 4,961,997.94/3,135.03
  6. Step 6: Final answer
    x = 1,582.76

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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.