Home / 5,745.04-7,929-3,508.20

Finding the Fourth Proportional to 5,745.04, 7,929 and 3,508.20

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Solution

The fourth proportional to 5,745.04, 7,929 and 3,508.20 is: 4,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.04 : 7,929 = 3,508.20 : x
  2. Step 2: Convert to fraction form
    5,745.04/7,929 = 3,508.20/x
  3. Step 3: Cross multiply
    5,745.04x = 7,929 × 3,508.20
  4. Step 4: Simplify right side
    5,745.04x = 27,816,517.80
  5. Step 5: Solve for x
    x = 27,816,517.80/5,745.04
  6. Step 6: Final answer
    x = 4,841.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.