Home / 5,918.76-8,168.37-3,266.70

Finding the Fourth Proportional to 5,918.76, 8,168.37 and 3,266.70

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Solution

The fourth proportional to 5,918.76, 8,168.37 and 3,266.70 is: 4,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.76 : 8,168.37 = 3,266.70 : x
  2. Step 2: Convert to fraction form
    5,918.76/8,168.37 = 3,266.70/x
  3. Step 3: Cross multiply
    5,918.76x = 8,168.37 × 3,266.70
  4. Step 4: Simplify right side
    5,918.76x = 26,683,614.28
  5. Step 5: Solve for x
    x = 26,683,614.28/5,918.76
  6. Step 6: Final answer
    x = 4,508.31

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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.