Home / 5,168.25-7,132.19-2,929.41

Finding the Fourth Proportional to 5,168.25, 7,132.19 and 2,929.41

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Solution

The fourth proportional to 5,168.25, 7,132.19 and 2,929.41 is: 4,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.25 : 7,132.19 = 2,929.41 : x
  2. Step 2: Convert to fraction form
    5,168.25/7,132.19 = 2,929.41/x
  3. Step 3: Cross multiply
    5,168.25x = 7,132.19 × 2,929.41
  4. Step 4: Simplify right side
    5,168.25x = 20,893,094.06
  5. Step 5: Solve for x
    x = 20,893,094.06/5,168.25
  6. Step 6: Final answer
    x = 4,042.59

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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.