Home / 5,971.42-8,972.25-3,781.18

Finding the Fourth Proportional to 5,971.42, 8,972.25 and 3,781.18

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Solution

The fourth proportional to 5,971.42, 8,972.25 and 3,781.18 is: 5,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.42 : 8,972.25 = 3,781.18 : x
  2. Step 2: Convert to fraction form
    5,971.42/8,972.25 = 3,781.18/x
  3. Step 3: Cross multiply
    5,971.42x = 8,972.25 × 3,781.18
  4. Step 4: Simplify right side
    5,971.42x = 33,925,692.26
  5. Step 5: Solve for x
    x = 33,925,692.26/5,971.42
  6. Step 6: Final answer
    x = 5,681.34

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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.