Home / 7,245.77-9,995.85-5,251.95

Finding the Fourth Proportional to 7,245.77, 9,995.85 and 5,251.95

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Solution

The fourth proportional to 7,245.77, 9,995.85 and 5,251.95 is: 7,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.77 : 9,995.85 = 5,251.95 : x
  2. Step 2: Convert to fraction form
    7,245.77/9,995.85 = 5,251.95/x
  3. Step 3: Cross multiply
    7,245.77x = 9,995.85 × 5,251.95
  4. Step 4: Simplify right side
    7,245.77x = 52,497,704.41
  5. Step 5: Solve for x
    x = 52,497,704.41/7,245.77
  6. Step 6: Final answer
    x = 7,245.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.