Home / 5,587.60-8,381.82-1,692.32

Finding the Fourth Proportional to 5,587.60, 8,381.82 and 1,692.32

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Solution

The fourth proportional to 5,587.60, 8,381.82 and 1,692.32 is: 2,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.60 : 8,381.82 = 1,692.32 : x
  2. Step 2: Convert to fraction form
    5,587.60/8,381.82 = 1,692.32/x
  3. Step 3: Cross multiply
    5,587.60x = 8,381.82 × 1,692.32
  4. Step 4: Simplify right side
    5,587.60x = 14,184,721.62
  5. Step 5: Solve for x
    x = 14,184,721.62/5,587.60
  6. Step 6: Final answer
    x = 2,538.61

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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.