Home / 5,818.40-8,025.08-3,692.10

Finding the Fourth Proportional to 5,818.40, 8,025.08 and 3,692.10

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Solution

The fourth proportional to 5,818.40, 8,025.08 and 3,692.10 is: 5,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.40 : 8,025.08 = 3,692.10 : x
  2. Step 2: Convert to fraction form
    5,818.40/8,025.08 = 3,692.10/x
  3. Step 3: Cross multiply
    5,818.40x = 8,025.08 × 3,692.10
  4. Step 4: Simplify right side
    5,818.40x = 29,629,379.41
  5. Step 5: Solve for x
    x = 29,629,379.41/5,818.40
  6. Step 6: Final answer
    x = 5,092.36

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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.