Home / 5,905.65-8,148.84-3,387.27

Finding the Fourth Proportional to 5,905.65, 8,148.84 and 3,387.27

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Solution

The fourth proportional to 5,905.65, 8,148.84 and 3,387.27 is: 4,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.65 : 8,148.84 = 3,387.27 : x
  2. Step 2: Convert to fraction form
    5,905.65/8,148.84 = 3,387.27/x
  3. Step 3: Cross multiply
    5,905.65x = 8,148.84 × 3,387.27
  4. Step 4: Simplify right side
    5,905.65x = 27,602,321.27
  5. Step 5: Solve for x
    x = 27,602,321.27/5,905.65
  6. Step 6: Final answer
    x = 4,673.88

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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.