Home / 4,915.75-7,372.41-3,065.91

Finding the Fourth Proportional to 4,915.75, 7,372.41 and 3,065.91

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Solution

The fourth proportional to 4,915.75, 7,372.41 and 3,065.91 is: 4,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.75 : 7,372.41 = 3,065.91 : x
  2. Step 2: Convert to fraction form
    4,915.75/7,372.41 = 3,065.91/x
  3. Step 3: Cross multiply
    4,915.75x = 7,372.41 × 3,065.91
  4. Step 4: Simplify right side
    4,915.75x = 22,603,145.54
  5. Step 5: Solve for x
    x = 22,603,145.54/4,915.75
  6. Step 6: Final answer
    x = 4,598.11

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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.