Home / 5,918.84-8,168.01-3,680.72

Finding the Fourth Proportional to 5,918.84, 8,168.01 and 3,680.72

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Solution

The fourth proportional to 5,918.84, 8,168.01 and 3,680.72 is: 5,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.84 : 8,168.01 = 3,680.72 : x
  2. Step 2: Convert to fraction form
    5,918.84/8,168.01 = 3,680.72/x
  3. Step 3: Cross multiply
    5,918.84x = 8,168.01 × 3,680.72
  4. Step 4: Simplify right side
    5,918.84x = 30,064,157.77
  5. Step 5: Solve for x
    x = 30,064,157.77/5,918.84
  6. Step 6: Final answer
    x = 5,079.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.