Home / 4,715.24-7,072.85-2,520.95

Finding the Fourth Proportional to 4,715.24, 7,072.85 and 2,520.95

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Solution

The fourth proportional to 4,715.24, 7,072.85 and 2,520.95 is: 3,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.24 : 7,072.85 = 2,520.95 : x
  2. Step 2: Convert to fraction form
    4,715.24/7,072.85 = 2,520.95/x
  3. Step 3: Cross multiply
    4,715.24x = 7,072.85 × 2,520.95
  4. Step 4: Simplify right side
    4,715.24x = 17,830,272.15
  5. Step 5: Solve for x
    x = 17,830,272.15/4,715.24
  6. Step 6: Final answer
    x = 3,781.42

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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.