Home / 3,175.11-4,763.07-983.97

Finding the Fourth Proportional to 3,175.11, 4,763.07 and 983.97

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Solution

The fourth proportional to 3,175.11, 4,763.07 and 983.97 is: 1,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.11 : 4,763.07 = 983.97 : x
  2. Step 2: Convert to fraction form
    3,175.11/4,763.07 = 983.97/x
  3. Step 3: Cross multiply
    3,175.11x = 4,763.07 × 983.97
  4. Step 4: Simplify right side
    3,175.11x = 4,686,717.99
  5. Step 5: Solve for x
    x = 4,686,717.99/3,175.11
  6. Step 6: Final answer
    x = 1,476.08

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1.5x scale

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.