Home / 5,587.34-8,382.22-1,692.05

Finding the Fourth Proportional to 5,587.34, 8,382.22 and 1,692.05

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Solution

The fourth proportional to 5,587.34, 8,382.22 and 1,692.05 is: 2,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.34 : 8,382.22 = 1,692.05 : x
  2. Step 2: Convert to fraction form
    5,587.34/8,382.22 = 1,692.05/x
  3. Step 3: Cross multiply
    5,587.34x = 8,382.22 × 1,692.05
  4. Step 4: Simplify right side
    5,587.34x = 14,183,089.21
  5. Step 5: Solve for x
    x = 14,183,089.21/5,587.34
  6. Step 6: Final answer
    x = 2,538.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.