Home / 4,915.12-7,361.34-2,963.02

Finding the Fourth Proportional to 4,915.12, 7,361.34 and 2,963.02

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Solution

The fourth proportional to 4,915.12, 7,361.34 and 2,963.02 is: 4,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.12 : 7,361.34 = 2,963.02 : x
  2. Step 2: Convert to fraction form
    4,915.12/7,361.34 = 2,963.02/x
  3. Step 3: Cross multiply
    4,915.12x = 7,361.34 × 2,963.02
  4. Step 4: Simplify right side
    4,915.12x = 21,811,797.65
  5. Step 5: Solve for x
    x = 21,811,797.65/4,915.12
  6. Step 6: Final answer
    x = 4,437.69

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1.5x scale

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.