Home / 5,905.78-8,150.13-3,253.34

Finding the Fourth Proportional to 5,905.78, 8,150.13 and 3,253.34

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Solution

The fourth proportional to 5,905.78, 8,150.13 and 3,253.34 is: 4,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.78 : 8,150.13 = 3,253.34 : x
  2. Step 2: Convert to fraction form
    5,905.78/8,150.13 = 3,253.34/x
  3. Step 3: Cross multiply
    5,905.78x = 8,150.13 × 3,253.34
  4. Step 4: Simplify right side
    5,905.78x = 26,515,164.31
  5. Step 5: Solve for x
    x = 26,515,164.31/5,905.78
  6. Step 6: Final answer
    x = 4,489.70

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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.