Home / 4,915.88-7,374.02-1,453.12

Finding the Fourth Proportional to 4,915.88, 7,374.02 and 1,453.12

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Solution

The fourth proportional to 4,915.88, 7,374.02 and 1,453.12 is: 2,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.88 : 7,374.02 = 1,453.12 : x
  2. Step 2: Convert to fraction form
    4,915.88/7,374.02 = 1,453.12/x
  3. Step 3: Cross multiply
    4,915.88x = 7,374.02 × 1,453.12
  4. Step 4: Simplify right side
    4,915.88x = 10,715,335.94
  5. Step 5: Solve for x
    x = 10,715,335.94/4,915.88
  6. Step 6: Final answer
    x = 2,179.74

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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.