Home / 4,915.42-7,376.70-3,686.14

Finding the Fourth Proportional to 4,915.42, 7,376.70 and 3,686.14

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Solution

The fourth proportional to 4,915.42, 7,376.70 and 3,686.14 is: 5,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.42 : 7,376.70 = 3,686.14 : x
  2. Step 2: Convert to fraction form
    4,915.42/7,376.70 = 3,686.14/x
  3. Step 3: Cross multiply
    4,915.42x = 7,376.70 × 3,686.14
  4. Step 4: Simplify right side
    4,915.42x = 27,191,548.94
  5. Step 5: Solve for x
    x = 27,191,548.94/4,915.42
  6. Step 6: Final answer
    x = 5,531.89

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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.