Home / 5,175.90-7,143.66-2,937.33

Finding the Fourth Proportional to 5,175.90, 7,143.66 and 2,937.33

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Solution

The fourth proportional to 5,175.90, 7,143.66 and 2,937.33 is: 4,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.90 : 7,143.66 = 2,937.33 : x
  2. Step 2: Convert to fraction form
    5,175.90/7,143.66 = 2,937.33/x
  3. Step 3: Cross multiply
    5,175.90x = 7,143.66 × 2,937.33
  4. Step 4: Simplify right side
    5,175.90x = 20,983,286.83
  5. Step 5: Solve for x
    x = 20,983,286.83/5,175.90
  6. Step 6: Final answer
    x = 4,054.04

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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.