Home / 3,175.13-4,763.14-1,325.82

Finding the Fourth Proportional to 3,175.13, 4,763.14 and 1,325.82

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Solution

The fourth proportional to 3,175.13, 4,763.14 and 1,325.82 is: 1,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.13 : 4,763.14 = 1,325.82 : x
  2. Step 2: Convert to fraction form
    3,175.13/4,763.14 = 1,325.82/x
  3. Step 3: Cross multiply
    3,175.13x = 4,763.14 × 1,325.82
  4. Step 4: Simplify right side
    3,175.13x = 6,315,066.27
  5. Step 5: Solve for x
    x = 6,315,066.27/3,175.13
  6. Step 6: Final answer
    x = 1,988.92

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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.