Home / 5,587.67-8,381.78-1,692.11

Finding the Fourth Proportional to 5,587.67, 8,381.78 and 1,692.11

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Solution

The fourth proportional to 5,587.67, 8,381.78 and 1,692.11 is: 2,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.67 : 8,381.78 = 1,692.11 : x
  2. Step 2: Convert to fraction form
    5,587.67/8,381.78 = 1,692.11/x
  3. Step 3: Cross multiply
    5,587.67x = 8,381.78 × 1,692.11
  4. Step 4: Simplify right side
    5,587.67x = 14,182,893.76
  5. Step 5: Solve for x
    x = 14,182,893.76/5,587.67
  6. Step 6: Final answer
    x = 2,538.25

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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.