Home / 5,903.82-8,146.96-3,385.80

Finding the Fourth Proportional to 5,903.82, 8,146.96 and 3,385.80

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Solution

The fourth proportional to 5,903.82, 8,146.96 and 3,385.80 is: 4,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.82 : 8,146.96 = 3,385.80 : x
  2. Step 2: Convert to fraction form
    5,903.82/8,146.96 = 3,385.80/x
  3. Step 3: Cross multiply
    5,903.82x = 8,146.96 × 3,385.80
  4. Step 4: Simplify right side
    5,903.82x = 27,583,977.17
  5. Step 5: Solve for x
    x = 27,583,977.17/5,903.82
  6. Step 6: Final answer
    x = 4,672.23

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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.