Home / 5,168.60-7,133.16-2,930.58

Finding the Fourth Proportional to 5,168.60, 7,133.16 and 2,930.58

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Solution

The fourth proportional to 5,168.60, 7,133.16 and 2,930.58 is: 4,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.60 : 7,133.16 = 2,930.58 : x
  2. Step 2: Convert to fraction form
    5,168.60/7,133.16 = 2,930.58/x
  3. Step 3: Cross multiply
    5,168.60x = 7,133.16 × 2,930.58
  4. Step 4: Simplify right side
    5,168.60x = 20,904,296.03
  5. Step 5: Solve for x
    x = 20,904,296.03/5,168.60
  6. Step 6: Final answer
    x = 4,044.48

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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.